20302568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17777

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 24422392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17747, 35494, 70988, 141976, 195217, 230711, 390434, 461422, 780868, 922844, 1561736, 1845688, 2537821, 5075642, 10151284, 20302568]

約数ペア:

[(1, 20302568), (2, 10151284), (4, 5075642), (8, 2537821), (11, 1845688), (13, 1561736), (22, 922844), (26, 780868), (44, 461422), (52, 390434), (88, 230711), (104, 195217), (143, 141976), (286, 70988), (572, 35494), (1144, 17747)]