20123792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96749}}^1$

素因数の和:96770

約数の個数: 20

約数和(自身を含む): 41989500

約数和(自身を除く): 21865708

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96749, 193498, 386996, 773992, 1257737, 1547984, 2515474, 5030948, 10061896, 20123792]

約数ペア:

[(1, 20123792), (2, 10061896), (4, 5030948), (8, 2515474), (13, 1547984), (16, 1257737), (26, 773992), (52, 386996), (104, 193498), (208, 96749)]