20305490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106871}}^1$

素因数の和:106897

約数の個数: 16

約数和(自身を含む): 38473920

約数和(自身を除く): 18168430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106871, 213742, 534355, 1068710, 2030549, 4061098, 10152745, 20305490]

約数ペア:

[(1, 20305490), (2, 10152745), (5, 4061098), (10, 2030549), (19, 1068710), (38, 534355), (95, 213742), (190, 106871)]