20618844

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 50856960

約数和(自身を除く): 30238116

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1289, 1333, 2578, 2666, 3867, 3999, 5156, 5332, 7734, 7998, 15468, 15996, 39959, 55427, 79918, 110854, 119877, 159836, 166281, 221708, 239754, 332562, 479508, 665124, 1718237, 3436474, 5154711, 6872948, 10309422, 20618844]

約数ペア:

[(1, 20618844), (2, 10309422), (3, 6872948), (4, 5154711), (6, 3436474), (12, 1718237), (31, 665124), (43, 479508), (62, 332562), (86, 239754), (93, 221708), (124, 166281), (129, 159836), (172, 119877), (186, 110854), (258, 79918), (372, 55427), (516, 39959), (1289, 15996), (1333, 15468), (2578, 7998), (2666, 7734), (3867, 5332), (3999, 5156)]