20090984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61253}}^1$

素因数の和:61300

約数の個数: 16

約数和(自身を含む): 38590020

約数和(自身を除く): 18499036

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61253, 122506, 245012, 490024, 2511373, 5022746, 10045492, 20090984]

約数ペア:

[(1, 20090984), (2, 10045492), (4, 5022746), (8, 2511373), (41, 490024), (82, 245012), (164, 122506), (328, 61253)]