20013302720

素因数分解:

$2^6\times 5^1\times {\mathrm{367}}^1\times {\mathrm{170413}}^1$

素因数の和:170797

約数の個数: 56

約数和(自身を含む): 47786812224

約数和(自身を除く): 27773509504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 367, 734, 1468, 1835, 2936, 3670, 5872, 7340, 11744, 14680, 23488, 29360, 58720, 117440, 170413, 340826, 681652, 852065, 1363304, 1704130, 2726608, 3408260, 5453216, 6816520, 10906432, 13633040, 27266080, 54532160, 62541571, 125083142, 250166284, 312707855, 500332568, 625415710, 1000665136, 1250831420, 2001330272, 2501662840, 4002660544, 5003325680, 10006651360, 20013302720]

約数ペア:

[(1, 20013302720), (2, 10006651360), (4, 5003325680), (5, 4002660544), (8, 2501662840), (10, 2001330272), (16, 1250831420), (20, 1000665136), (32, 625415710), (40, 500332568), (64, 312707855), (80, 250166284), (160, 125083142), (320, 62541571), (367, 54532160), (734, 27266080), (1468, 13633040), (1835, 10906432), (2936, 6816520), (3670, 5453216), (5872, 3408260), (7340, 2726608), (11744, 1704130), (14680, 1363304), (23488, 852065), (29360, 681652), (58720, 340826), (117440, 170413)]