20211693808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1019}}^1\times {\mathrm{53899}}^1$

素因数の和:54949

約数の個数: 40

約数和(自身を含む): 40903632000

約数和(自身を除く): 20691938192

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1019, 2038, 4076, 8152, 16304, 23437, 46874, 53899, 93748, 107798, 187496, 215596, 374992, 431192, 862384, 1239677, 2479354, 4958708, 9917416, 19834832, 54923081, 109846162, 219692324, 439384648, 878769296, 1263230863, 2526461726, 5052923452, 10105846904, 20211693808]

約数ペア:

[(1, 20211693808), (2, 10105846904), (4, 5052923452), (8, 2526461726), (16, 1263230863), (23, 878769296), (46, 439384648), (92, 219692324), (184, 109846162), (368, 54923081), (1019, 19834832), (2038, 9917416), (4076, 4958708), (8152, 2479354), (16304, 1239677), (23437, 862384), (46874, 431192), (53899, 374992), (93748, 215596), (107798, 187496)]