20768464

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1259}}^1$

素因数の和:2298

約数の個数: 20

約数和(自身を含む): 40309920

約数和(自身を除く): 19541456

約数列:

[1, 2, 4, 8, 16, 1031, 1259, 2062, 2518, 4124, 5036, 8248, 10072, 16496, 20144, 1298029, 2596058, 5192116, 10384232, 20768464]

約数ペア:

[(1, 20768464), (2, 10384232), (4, 5192116), (8, 2596058), (16, 1298029), (1031, 20144), (1259, 16496), (2062, 10072), (2518, 8248), (4124, 5036)]