20696585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3499}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 30744000

約数和(自身を除く): 10047415

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3499, 5915, 17495, 24493, 45487, 122465, 227435, 318409, 591331, 1592045, 2956655, 4139317, 20696585]

約数ペア:

[(1, 20696585), (5, 4139317), (7, 2956655), (13, 1592045), (35, 591331), (65, 318409), (91, 227435), (169, 122465), (455, 45487), (845, 24493), (1183, 17495), (3499, 5915)]