20005436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 38478720

約数和(自身を除く): 18473284

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3271, 6116, 6542, 13084, 35981, 71962, 143924, 454669, 909338, 1818676, 5001359, 10002718, 20005436]

約数ペア:

[(1, 20005436), (2, 10002718), (4, 5001359), (11, 1818676), (22, 909338), (44, 454669), (139, 143924), (278, 71962), (556, 35981), (1529, 13084), (3058, 6542), (3271, 6116)]