20152340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77509}}^1$

素因数の和:77531

約数の個数: 24

約数和(自身を含む): 45575880

約数和(自身を除く): 25423540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77509, 155018, 310036, 387545, 775090, 1007617, 1550180, 2015234, 4030468, 5038085, 10076170, 20152340]

約数ペア:

[(1, 20152340), (2, 10076170), (4, 5038085), (5, 4030468), (10, 2015234), (13, 1550180), (20, 1007617), (26, 775090), (52, 387545), (65, 310036), (130, 155018), (260, 77509)]