20394558

素因数分解:

$2^1\times 3^3\times {\mathrm{293}}^1\times {\mathrm{1289}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 45511200

約数和(自身を除く): 25116642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 293, 586, 879, 1289, 1758, 2578, 2637, 3867, 5274, 7734, 7911, 11601, 15822, 23202, 34803, 69606, 377677, 755354, 1133031, 2266062, 3399093, 6798186, 10197279, 20394558]

約数ペア:

[(1, 20394558), (2, 10197279), (3, 6798186), (6, 3399093), (9, 2266062), (18, 1133031), (27, 755354), (54, 377677), (293, 69606), (586, 34803), (879, 23202), (1289, 15822), (1758, 11601), (2578, 7911), (2637, 7734), (3867, 5274)]