20786784176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1231}}^1\times {\mathrm{25741}}^1$

素因数の和:27021

約数の個数: 40

約数和(自身を含む): 41291815488

約数和(自身を除く): 20505031312

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1231, 2462, 4924, 9848, 19696, 25741, 50471, 51482, 100942, 102964, 201884, 205928, 403768, 411856, 807536, 1055381, 2110762, 4221524, 8443048, 16886096, 31687171, 63374342, 126748684, 253497368, 506994736, 1299174011, 2598348022, 5196696044, 10393392088, 20786784176]

約数ペア:

[(1, 20786784176), (2, 10393392088), (4, 5196696044), (8, 2598348022), (16, 1299174011), (41, 506994736), (82, 253497368), (164, 126748684), (328, 63374342), (656, 31687171), (1231, 16886096), (2462, 8443048), (4924, 4221524), (9848, 2110762), (19696, 1055381), (25741, 807536), (50471, 411856), (51482, 403768), (100942, 205928), (102964, 201884)]