20008039680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91411}}^1$

素因数の和:91457

約数の個数: 216

約数和(自身を含む): 72869989920

約数和(自身を除く): 52861950240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2736, 2880, 3040, 3420, 3648, 3840, 4560, 4864, 5472, 5760, 6080, 6840, 7296, 9120, 10944, 11520, 12160, 13680, 14592, 18240, 21888, 24320, 27360, 36480, 43776, 54720, 72960, 91411, 109440, 182822, 218880, 274233, 365644, 457055, 548466, 731288, 822699, 914110, 1096932, 1371165, 1462576, 1645398, 1736809, 1828220, 2193864, 2742330, 2925152, 3290796, 3473618, 3656440, 4113495, 4387728, 5210427, 5484660, 5850304, 6581592, 6947236, 7312880, 8226990, 8684045, 8775456, 10420854, 10969320, 11700608, 13163184, 13894472, 14625760, 15631281, 16453980, 17368090, 17550912, 20841708, 21938640, 23401216, 26052135, 26326368, 27788944, 29251520, 31262562, 32907960, 34736180, 35101824, 41683416, 43877280, 52104270, 52652736, 55577888, 58503040, 62525124, 65815920, 69472360, 70203648, 78156405, 83366832, 87754560, 104208540, 105305472, 111155776, 117006080, 125050248, 131631840, 138944720, 156312810, 166733664, 175509120, 208417080, 210610944, 222311552, 250100496, 263263680, 277889440, 312625620, 333467328, 351018240, 416834160, 444623104, 500200992, 526527360, 555778880, 625251240, 666934656, 833668320, 1000401984, 1053054720, 1111557760, 1250502480, 1333869312, 1667336640, 2000803968, 2223115520, 2501004960, 3334673280, 4001607936, 5002009920, 6669346560, 10004019840, 20008039680]

約数ペア:

[(1, 20008039680), (2, 10004019840), (3, 6669346560), (4, 5002009920), (5, 4001607936), (6, 3334673280), (8, 2501004960), (9, 2223115520), (10, 2000803968), (12, 1667336640), (15, 1333869312), (16, 1250502480), (18, 1111557760), (19, 1053054720), (20, 1000401984), (24, 833668320), (30, 666934656), (32, 625251240), (36, 555778880), (38, 526527360), (40, 500200992), (45, 444623104), (48, 416834160), (57, 351018240), (60, 333467328), (64, 312625620), (72, 277889440), (76, 263263680), (80, 250100496), (90, 222311552), (95, 210610944), (96, 208417080), (114, 175509120), (120, 166733664), (128, 156312810), (144, 138944720), (152, 131631840), (160, 125050248), (171, 117006080), (180, 111155776), (190, 105305472), (192, 104208540), (228, 87754560), (240, 83366832), (256, 78156405), (285, 70203648), (288, 69472360), (304, 65815920), (320, 62525124), (342, 58503040), (360, 55577888), (380, 52652736), (384, 52104270), (456, 43877280), (480, 41683416), (570, 35101824), (576, 34736180), (608, 32907960), (640, 31262562), (684, 29251520), (720, 27788944), (760, 26326368), (768, 26052135), (855, 23401216), (912, 21938640), (960, 20841708), (1140, 17550912), (1152, 17368090), (1216, 16453980), (1280, 15631281), (1368, 14625760), (1440, 13894472), (1520, 13163184), (1710, 11700608), (1824, 10969320), (1920, 10420854), (2280, 8775456), (2304, 8684045), (2432, 8226990), (2736, 7312880), (2880, 6947236), (3040, 6581592), (3420, 5850304), (3648, 5484660), (3840, 5210427), (4560, 4387728), (4864, 4113495), (5472, 3656440), (5760, 3473618), (6080, 3290796), (6840, 2925152), (7296, 2742330), (9120, 2193864), (10944, 1828220), (11520, 1736809), (12160, 1645398), (13680, 1462576), (14592, 1371165), (18240, 1096932), (21888, 914110), (24320, 822699), (27360, 731288), (36480, 548466), (43776, 457055), (54720, 365644), (72960, 274233), (91411, 218880), (109440, 182822)]