20447284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35747}}^1$

素因数の和:35775

約数の個数: 24

約数和(自身を含む): 42039648

約数和(自身を除く): 21592364

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35747, 71494, 142988, 393217, 464711, 786434, 929422, 1572868, 1858844, 5111821, 10223642, 20447284]

約数ペア:

[(1, 20447284), (2, 10223642), (4, 5111821), (11, 1858844), (13, 1572868), (22, 929422), (26, 786434), (44, 464711), (52, 393217), (143, 142988), (286, 71494), (572, 35747)]