91290020

素因数分解:

$2^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{2437}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 191890104

約数和(自身を除く): 100600084

約数列:

[1, 2, 4, 5, 10, 20, 1873, 2437, 3746, 4874, 7492, 9365, 9748, 12185, 18730, 24370, 37460, 48740, 4564501, 9129002, 18258004, 22822505, 45645010, 91290020]

約数ペア:

[(1, 91290020), (2, 45645010), (4, 22822505), (5, 18258004), (10, 9129002), (20, 4564501), (1873, 48740), (2437, 37460), (3746, 24370), (4874, 18730), (7492, 12185), (9365, 9748)]