20160920169

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{4637}}^1\times {\mathrm{4129}}^1$

素因数の和:8791

約数の個数: 40

約数和(自身を含む): 32448468360

約数和(自身を除く): 12287548191

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 4129, 4637, 12387, 13911, 37161, 41733, 53677, 60281, 111483, 125199, 161031, 180843, 334449, 375597, 483093, 542529, 1449279, 1627587, 4347837, 4882761, 19146173, 57438519, 172315557, 248900249, 516946671, 746700747, 1550840013, 2240102241, 6720306723, 20160920169]

約数ペア:

[(1, 20160920169), (3, 6720306723), (9, 2240102241), (13, 1550840013), (27, 746700747), (39, 516946671), (81, 248900249), (117, 172315557), (351, 57438519), (1053, 19146173), (4129, 4882761), (4637, 4347837), (12387, 1627587), (13911, 1449279), (37161, 542529), (41733, 483093), (53677, 375597), (60281, 334449), (111483, 180843), (125199, 161031)]