2020455890

素因数分解:

$2^1\times 5^1\times {\mathrm{10909}}^1\times {\mathrm{18521}}^1$

素因数の和:29437

約数の個数: 16

約数和(自身を含む): 3637350360

約数和(自身を除く): 1616894470

約数列:

[1, 2, 5, 10, 10909, 18521, 21818, 37042, 54545, 92605, 109090, 185210, 202045589, 404091178, 1010227945, 2020455890]

約数ペア:

[(1, 2020455890), (2, 1010227945), (5, 404091178), (10, 202045589), (10909, 185210), (18521, 109090), (21818, 92605), (37042, 54545)]