20760100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3917}}^1$

素因数の和:3984

約数の個数: 36

約数和(自身を含む): 45911124

約数和(自身を除く): 25151024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3917, 5300, 7834, 15668, 19585, 39170, 78340, 97925, 195850, 207601, 391700, 415202, 830404, 1038005, 2076010, 4152020, 5190025, 10380050, 20760100]

約数ペア:

[(1, 20760100), (2, 10380050), (4, 5190025), (5, 4152020), (10, 2076010), (20, 1038005), (25, 830404), (50, 415202), (53, 391700), (100, 207601), (106, 195850), (212, 97925), (265, 78340), (530, 39170), (1060, 19585), (1325, 15668), (2650, 7834), (3917, 5300)]