20913608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63761}}^1$

素因数の和:63808

約数の個数: 16

約数和(自身を含む): 40170060

約数和(自身を除く): 19256452

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63761, 127522, 255044, 510088, 2614201, 5228402, 10456804, 20913608]

約数ペア:

[(1, 20913608), (2, 10456804), (4, 5228402), (8, 2614201), (41, 510088), (82, 255044), (164, 127522), (328, 63761)]