27489820

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1699}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 57834000

約数和(自身を除く): 30344180

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 1699, 3236, 3398, 4045, 6796, 8090, 8495, 16180, 16990, 33980, 1374491, 2748982, 5497964, 6872455, 13744910, 27489820]

約数ペア:

[(1, 27489820), (2, 13744910), (4, 6872455), (5, 5497964), (10, 2748982), (20, 1374491), (809, 33980), (1618, 16990), (1699, 16180), (3236, 8495), (3398, 8090), (4045, 6796)]