20218708972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65645159}}^1$

素因数の和:65645181

約数の個数: 24

約数和(自身を含む): 44113547520

約数和(自身を除く): 23894838548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65645159, 131290318, 262580636, 459516113, 722096749, 919032226, 1444193498, 1838064452, 2888386996, 5054677243, 10109354486, 20218708972]

約数ペア:

[(1, 20218708972), (2, 10109354486), (4, 5054677243), (7, 2888386996), (11, 1838064452), (14, 1444193498), (22, 919032226), (28, 722096749), (44, 459516113), (77, 262580636), (154, 131290318), (308, 65645159)]