20556050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7757}}^1$

素因数の和:7822

約数の個数: 24

約数和(自身を含む): 38960676

約数和(自身を除く): 18404626

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7757, 15514, 38785, 77570, 193925, 387850, 411121, 822242, 2055605, 4111210, 10278025, 20556050]

約数ペア:

[(1, 20556050), (2, 10278025), (5, 4111210), (10, 2055605), (25, 822242), (50, 411121), (53, 387850), (106, 193925), (265, 77570), (530, 38785), (1325, 15514), (2650, 7757)]