20434808

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20113}}^1$

素因数の和:20246

約数の個数: 16

約数和(自身を含む): 38618880

約数和(自身を除く): 18184072

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20113, 40226, 80452, 160904, 2554351, 5108702, 10217404, 20434808]

約数ペア:

[(1, 20434808), (2, 10217404), (4, 5108702), (8, 2554351), (127, 160904), (254, 80452), (508, 40226), (1016, 20113)]