20687112603

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{318229}}^1$

素因数の和:318499

約数の個数: 24

約数和(自身を含む): 30977781120

約数和(自身を除く): 10290668517

約数列:

[1, 3, 9, 31, 93, 233, 279, 699, 2097, 7223, 21669, 65007, 318229, 954687, 2864061, 9865099, 29595297, 74147357, 88785891, 222442071, 667326213, 2298568067, 6895704201, 20687112603]

約数ペア:

[(1, 20687112603), (3, 6895704201), (9, 2298568067), (31, 667326213), (93, 222442071), (233, 88785891), (279, 74147357), (699, 29595297), (2097, 9865099), (7223, 2864061), (21669, 954687), (65007, 318229)]