20882628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44621}}^1$

素因数の和:44644

約数の個数: 36

約数和(自身を含む): 56848428

約数和(自身を除く): 35965800

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44621, 89242, 133863, 178484, 267726, 401589, 535452, 580073, 803178, 1160146, 1606356, 1740219, 2320292, 3480438, 5220657, 6960876, 10441314, 20882628]

約数ペア:

[(1, 20882628), (2, 10441314), (3, 6960876), (4, 5220657), (6, 3480438), (9, 2320292), (12, 1740219), (13, 1606356), (18, 1160146), (26, 803178), (36, 580073), (39, 535452), (52, 401589), (78, 267726), (117, 178484), (156, 133863), (234, 89242), (468, 44621)]