20710118

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 17498122

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 121, 143, 227, 242, 286, 319, 377, 454, 638, 754, 1573, 2497, 2951, 3146, 3509, 4147, 4994, 5902, 6583, 7018, 8294, 13166, 27467, 32461, 45617, 54934, 64922, 72413, 85579, 91234, 144826, 171158, 357071, 714142, 796543, 941369, 1593086, 1882738, 10355059, 20710118]

約数ペア:

[(1, 20710118), (2, 10355059), (11, 1882738), (13, 1593086), (22, 941369), (26, 796543), (29, 714142), (58, 357071), (121, 171158), (143, 144826), (227, 91234), (242, 85579), (286, 72413), (319, 64922), (377, 54934), (454, 45617), (638, 32461), (754, 27467), (1573, 13166), (2497, 8294), (2951, 7018), (3146, 6583), (3509, 5902), (4147, 4994)]