20459314

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:742

約数の個数: 24

約数和(自身を含む): 33192720

約数和(自身を除く): 12733406

約数列:

[1, 2, 19, 38, 43, 86, 361, 659, 722, 817, 1318, 1634, 12521, 15523, 25042, 28337, 31046, 56674, 237899, 475798, 538403, 1076806, 10229657, 20459314]

約数ペア:

[(1, 20459314), (2, 10229657), (19, 1076806), (38, 538403), (43, 475798), (86, 237899), (361, 56674), (659, 31046), (722, 28337), (817, 25042), (1318, 15523), (1634, 12521)]