20624436

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27281}}^1$

素因数の和:27301

約数の個数: 48

約数和(自身を含む): 61111680

約数和(自身を除く): 40487244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27281, 54562, 81843, 109124, 163686, 190967, 245529, 327372, 381934, 491058, 572901, 736587, 763868, 982116, 1145802, 1473174, 1718703, 2291604, 2946348, 3437406, 5156109, 6874812, 10312218, 20624436]

約数ペア:

[(1, 20624436), (2, 10312218), (3, 6874812), (4, 5156109), (6, 3437406), (7, 2946348), (9, 2291604), (12, 1718703), (14, 1473174), (18, 1145802), (21, 982116), (27, 763868), (28, 736587), (36, 572901), (42, 491058), (54, 381934), (63, 327372), (84, 245529), (108, 190967), (126, 163686), (189, 109124), (252, 81843), (378, 54562), (756, 27281)]