201520930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1550161}}^1$

素因数の和:1550181

約数の個数: 16

約数和(自身を含む): 390640824

約数和(自身を除く): 189119894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1550161, 3100322, 7750805, 15501610, 20152093, 40304186, 100760465, 201520930]

約数ペア:

[(1, 201520930), (2, 100760465), (5, 40304186), (10, 20152093), (13, 15501610), (26, 7750805), (65, 3100322), (130, 1550161)]