20842610

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7691}}^1$

素因数の和:7969

約数の個数: 16

約数和(自身を含む): 37660032

約数和(自身を除く): 16817422

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7691, 15382, 38455, 76910, 2084261, 4168522, 10421305, 20842610]

約数ペア:

[(1, 20842610), (2, 10421305), (5, 4168522), (10, 2084261), (271, 76910), (542, 38455), (1355, 15382), (2710, 7691)]