20123486544

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{138959}}^1$

素因数の和:139408

約数の個数: 80

約数和(自身を含む): 59550474240

約数和(自身を除く): 39426987696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 431, 862, 1293, 1724, 2586, 3017, 3448, 5172, 6034, 6896, 9051, 10344, 12068, 18102, 20688, 24136, 36204, 48272, 72408, 138959, 144816, 277918, 416877, 555836, 833754, 972713, 1111672, 1667508, 1945426, 2223344, 2918139, 3335016, 3890852, 5836278, 6670032, 7781704, 11672556, 15563408, 23345112, 46690224, 59891329, 119782658, 179673987, 239565316, 359347974, 419239303, 479130632, 718695948, 838478606, 958261264, 1257717909, 1437391896, 1676957212, 2515435818, 2874783792, 3353914424, 5030871636, 6707828848, 10061743272, 20123486544]

約数ペア:

[(1, 20123486544), (2, 10061743272), (3, 6707828848), (4, 5030871636), (6, 3353914424), (7, 2874783792), (8, 2515435818), (12, 1676957212), (14, 1437391896), (16, 1257717909), (21, 958261264), (24, 838478606), (28, 718695948), (42, 479130632), (48, 419239303), (56, 359347974), (84, 239565316), (112, 179673987), (168, 119782658), (336, 59891329), (431, 46690224), (862, 23345112), (1293, 15563408), (1724, 11672556), (2586, 7781704), (3017, 6670032), (3448, 5836278), (5172, 3890852), (6034, 3335016), (6896, 2918139), (9051, 2223344), (10344, 1945426), (12068, 1667508), (18102, 1111672), (20688, 972713), (24136, 833754), (36204, 555836), (48272, 416877), (72408, 277918), (138959, 144816)]