20955376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100747}}^1$

素因数の和:100768

約数の個数: 20

約数和(自身を含む): 43724632

約数和(自身を除く): 22769256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100747, 201494, 402988, 805976, 1309711, 1611952, 2619422, 5238844, 10477688, 20955376]

約数ペア:

[(1, 20955376), (2, 10477688), (4, 5238844), (8, 2619422), (13, 1611952), (16, 1309711), (26, 805976), (52, 402988), (104, 201494), (208, 100747)]