20639268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44101}}^1$

素因数の和:44124

約数の個数: 36

約数和(自身を含む): 56185948

約数和(自身を除く): 35546680

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44101, 88202, 132303, 176404, 264606, 396909, 529212, 573313, 793818, 1146626, 1587636, 1719939, 2293252, 3439878, 5159817, 6879756, 10319634, 20639268]

約数ペア:

[(1, 20639268), (2, 10319634), (3, 6879756), (4, 5159817), (6, 3439878), (9, 2293252), (12, 1719939), (13, 1587636), (18, 1146626), (26, 793818), (36, 573313), (39, 529212), (52, 396909), (78, 264606), (117, 176404), (156, 132303), (234, 88202), (468, 44101)]