20274228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43321}}^1$

素因数の和:43344

約数の個数: 36

約数和(自身を含む): 55192228

約数和(自身を除く): 34918000

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43321, 86642, 129963, 173284, 259926, 389889, 519852, 563173, 779778, 1126346, 1559556, 1689519, 2252692, 3379038, 5068557, 6758076, 10137114, 20274228]

約数ペア:

[(1, 20274228), (2, 10137114), (3, 6758076), (4, 5068557), (6, 3379038), (9, 2252692), (12, 1689519), (13, 1559556), (18, 1126346), (26, 779778), (36, 563173), (39, 519852), (52, 389889), (78, 259926), (117, 173284), (156, 129963), (234, 86642), (468, 43321)]