2018762420

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{124769}}^1$

素因数の和:125587

約数の個数: 24

約数和(自身を含む): 4244675400

約数和(自身を除く): 2225912980

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 124769, 249538, 499076, 623845, 1247690, 2495380, 100938121, 201876242, 403752484, 504690605, 1009381210, 2018762420]

約数ペア:

[(1, 2018762420), (2, 1009381210), (4, 504690605), (5, 403752484), (10, 201876242), (20, 100938121), (809, 2495380), (1618, 1247690), (3236, 623845), (4045, 499076), (8090, 249538), (16180, 124769)]