20217627008

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1657}}^1$

素因数の和:1892

約数の個数: 128

約数和(自身を含む): 44139276000

約数和(自身を除く): 23921648992

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 173, 232, 304, 346, 464, 551, 608, 692, 928, 1102, 1216, 1384, 1657, 1856, 2204, 2432, 2768, 3287, 3314, 3712, 4408, 5017, 5536, 6574, 6628, 8816, 10034, 11072, 13148, 13256, 17632, 20068, 22144, 26296, 26512, 31483, 35264, 40136, 48053, 52592, 53024, 62966, 70528, 80272, 95323, 96106, 105184, 106048, 125932, 160544, 190646, 192212, 210368, 212096, 251864, 286661, 321088, 381292, 384424, 420736, 503728, 573322, 642176, 762584, 768848, 913007, 1007456, 1146644, 1525168, 1537696, 1826014, 2014912, 2293288, 3050336, 3075392, 3652028, 4029824, 4586576, 5446559, 6100672, 6150784, 7304056, 8313169, 9173152, 10893118, 12201344, 14608112, 16626338, 18346304, 21786236, 29216224, 33252676, 36692608, 43572472, 58432448, 66505352, 87144944, 116864896, 133010704, 157950211, 174289888, 266021408, 315900422, 348579776, 532042816, 631800844, 697159552, 1064085632, 1263601688, 2527203376, 5054406752, 10108813504, 20217627008]

約数ペア:

[(1, 20217627008), (2, 10108813504), (4, 5054406752), (8, 2527203376), (16, 1263601688), (19, 1064085632), (29, 697159552), (32, 631800844), (38, 532042816), (58, 348579776), (64, 315900422), (76, 266021408), (116, 174289888), (128, 157950211), (152, 133010704), (173, 116864896), (232, 87144944), (304, 66505352), (346, 58432448), (464, 43572472), (551, 36692608), (608, 33252676), (692, 29216224), (928, 21786236), (1102, 18346304), (1216, 16626338), (1384, 14608112), (1657, 12201344), (1856, 10893118), (2204, 9173152), (2432, 8313169), (2768, 7304056), (3287, 6150784), (3314, 6100672), (3712, 5446559), (4408, 4586576), (5017, 4029824), (5536, 3652028), (6574, 3075392), (6628, 3050336), (8816, 2293288), (10034, 2014912), (11072, 1826014), (13148, 1537696), (13256, 1525168), (17632, 1146644), (20068, 1007456), (22144, 913007), (26296, 768848), (26512, 762584), (31483, 642176), (35264, 573322), (40136, 503728), (48053, 420736), (52592, 384424), (53024, 381292), (62966, 321088), (70528, 286661), (80272, 251864), (95323, 212096), (96106, 210368), (105184, 192212), (106048, 190646), (125932, 160544)]