20131378210

素因数分解:

$2^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2209811}}^1$

素因数の和:2210729

約数の個数: 16

約数和(自身を含む): 36276273792

約数和(自身を除く): 16144895582

約数列:

[1, 2, 5, 10, 911, 1822, 4555, 9110, 2209811, 4419622, 11049055, 22098110, 2013137821, 4026275642, 10065689105, 20131378210]

約数ペア:

[(1, 20131378210), (2, 10065689105), (5, 4026275642), (10, 2013137821), (911, 22098110), (1822, 11049055), (4555, 4419622), (9110, 2209811)]