20258590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4344

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 20456546

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4283, 4730, 8566, 21415, 42830, 47113, 94226, 184169, 235565, 368338, 471130, 920845, 1841690, 2025859, 4051718, 10129295, 20258590]

約数ペア:

[(1, 20258590), (2, 10129295), (5, 4051718), (10, 2025859), (11, 1841690), (22, 920845), (43, 471130), (55, 368338), (86, 235565), (110, 184169), (215, 94226), (430, 47113), (473, 42830), (946, 21415), (2365, 8566), (4283, 4730)]