13683640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20123}}^1$

素因数の和:20151

約数の個数: 32

約数和(自身を含む): 32600880

約数和(自身を除く): 18917240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20123, 40246, 80492, 100615, 160984, 201230, 342091, 402460, 684182, 804920, 1368364, 1710455, 2736728, 3420910, 6841820, 13683640]

約数ペア:

[(1, 13683640), (2, 6841820), (4, 3420910), (5, 2736728), (8, 1710455), (10, 1368364), (17, 804920), (20, 684182), (34, 402460), (40, 342091), (68, 201230), (85, 160984), (136, 100615), (170, 80492), (340, 40246), (680, 20123)]