20003128210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153870217}}^1$

素因数の和:153870237

約数の個数: 16

約数和(自身を含む): 38775294936

約数和(自身を除く): 18772166726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153870217, 307740434, 769351085, 1538702170, 2000312821, 4000625642, 10001564105, 20003128210]

約数ペア:

[(1, 20003128210), (2, 10001564105), (5, 4000625642), (10, 2000312821), (13, 1538702170), (26, 769351085), (65, 307740434), (130, 153870217)]