20481717888

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{823}}^1$

素因数の和:1244

約数の個数: 256

約数和(自身を含む): 63876480000

約数和(自身を除く): 43394762112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 379, 384, 432, 456, 513, 576, 608, 684, 758, 823, 864, 912, 1026, 1137, 1152, 1216, 1368, 1516, 1646, 1728, 1824, 2052, 2274, 2432, 2469, 2736, 3032, 3292, 3411, 3456, 3648, 4104, 4548, 4938, 5472, 6064, 6584, 6822, 7201, 7296, 7407, 8208, 9096, 9876, 10233, 10944, 12128, 13168, 13644, 14402, 14814, 15637, 16416, 18192, 19752, 20466, 21603, 21888, 22221, 24256, 26336, 27288, 28804, 29628, 31274, 32832, 36384, 39504, 40932, 43206, 44442, 46911, 48512, 52672, 54576, 57608, 59256, 62548, 64809, 65664, 72768, 79008, 81864, 86412, 88884, 93822, 105344, 109152, 115216, 118512, 125096, 129618, 140733, 145536, 158016, 163728, 172824, 177768, 187644, 194427, 218304, 230432, 237024, 250192, 259236, 281466, 311917, 316032, 327456, 345648, 355536, 375288, 388854, 422199, 436608, 460864, 474048, 500384, 518472, 562932, 623834, 654912, 691296, 711072, 750576, 777708, 844398, 921728, 935751, 948096, 1000768, 1036944, 1125864, 1247668, 1309824, 1382592, 1422144, 1501152, 1555416, 1688796, 1871502, 2001536, 2073888, 2251728, 2495336, 2765184, 2807253, 2844288, 3002304, 3110832, 3377592, 3743004, 4147776, 4503456, 4990672, 5614506, 5926423, 6004608, 6221664, 6755184, 7486008, 8295552, 8421759, 9006912, 9981344, 11229012, 11852846, 12443328, 13510368, 14972016, 16843518, 17779269, 18013824, 19962688, 22458024, 23705692, 24886656, 27020736, 29944032, 33687036, 35558538, 39925376, 44916048, 47411384, 53337807, 54041472, 59888064, 67374072, 71117076, 89832096, 94822768, 106675614, 119776128, 134748144, 142234152, 160013421, 179664192, 189645536, 213351228, 269496288, 284468304, 320026842, 359328384, 379291072, 426702456, 538992576, 568936608, 640053684, 758582144, 853404912, 1077985152, 1137873216, 1280107368, 1706809824, 2275746432, 2560214736, 3413619648, 5120429472, 6827239296, 10240858944, 20481717888]

約数ペア:

[(1, 20481717888), (2, 10240858944), (3, 6827239296), (4, 5120429472), (6, 3413619648), (8, 2560214736), (9, 2275746432), (12, 1706809824), (16, 1280107368), (18, 1137873216), (19, 1077985152), (24, 853404912), (27, 758582144), (32, 640053684), (36, 568936608), (38, 538992576), (48, 426702456), (54, 379291072), (57, 359328384), (64, 320026842), (72, 284468304), (76, 269496288), (96, 213351228), (108, 189645536), (114, 179664192), (128, 160013421), (144, 142234152), (152, 134748144), (171, 119776128), (192, 106675614), (216, 94822768), (228, 89832096), (288, 71117076), (304, 67374072), (342, 59888064), (379, 54041472), (384, 53337807), (432, 47411384), (456, 44916048), (513, 39925376), (576, 35558538), (608, 33687036), (684, 29944032), (758, 27020736), (823, 24886656), (864, 23705692), (912, 22458024), (1026, 19962688), (1137, 18013824), (1152, 17779269), (1216, 16843518), (1368, 14972016), (1516, 13510368), (1646, 12443328), (1728, 11852846), (1824, 11229012), (2052, 9981344), (2274, 9006912), (2432, 8421759), (2469, 8295552), (2736, 7486008), (3032, 6755184), (3292, 6221664), (3411, 6004608), (3456, 5926423), (3648, 5614506), (4104, 4990672), (4548, 4503456), (4938, 4147776), (5472, 3743004), (6064, 3377592), (6584, 3110832), (6822, 3002304), (7201, 2844288), (7296, 2807253), (7407, 2765184), (8208, 2495336), (9096, 2251728), (9876, 2073888), (10233, 2001536), (10944, 1871502), (12128, 1688796), (13168, 1555416), (13644, 1501152), (14402, 1422144), (14814, 1382592), (15637, 1309824), (16416, 1247668), (18192, 1125864), (19752, 1036944), (20466, 1000768), (21603, 948096), (21888, 935751), (22221, 921728), (24256, 844398), (26336, 777708), (27288, 750576), (28804, 711072), (29628, 691296), (31274, 654912), (32832, 623834), (36384, 562932), (39504, 518472), (40932, 500384), (43206, 474048), (44442, 460864), (46911, 436608), (48512, 422199), (52672, 388854), (54576, 375288), (57608, 355536), (59256, 345648), (62548, 327456), (64809, 316032), (65664, 311917), (72768, 281466), (79008, 259236), (81864, 250192), (86412, 237024), (88884, 230432), (93822, 218304), (105344, 194427), (109152, 187644), (115216, 177768), (118512, 172824), (125096, 163728), (129618, 158016), (140733, 145536)]