20470772

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1489}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 41052480

約数和(自身を除く): 20581708

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1489, 1964, 2978, 3437, 5956, 6874, 10423, 13748, 20846, 41692, 731099, 1462198, 2924396, 5117693, 10235386, 20470772]

約数ペア:

[(1, 20470772), (2, 10235386), (4, 5117693), (7, 2924396), (14, 1462198), (28, 731099), (491, 41692), (982, 20846), (1489, 13748), (1964, 10423), (2978, 6874), (3437, 5956)]