20124860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3343}}^1$

素因数の和:3402

約数の個数: 48

約数和(自身を含む): 49437696

約数和(自身を除く): 29312836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3343, 6020, 6686, 13372, 16715, 23401, 33430, 46802, 66860, 93604, 117005, 143749, 234010, 287498, 468020, 574996, 718745, 1006243, 1437490, 2012486, 2874980, 4024972, 5031215, 10062430, 20124860]

約数ペア:

[(1, 20124860), (2, 10062430), (4, 5031215), (5, 4024972), (7, 2874980), (10, 2012486), (14, 1437490), (20, 1006243), (28, 718745), (35, 574996), (43, 468020), (70, 287498), (86, 234010), (140, 143749), (172, 117005), (215, 93604), (301, 66860), (430, 46802), (602, 33430), (860, 23401), (1204, 16715), (1505, 13372), (3010, 6686), (3343, 6020)]