20351890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9209}}^1$

素因数の和:9246

約数の個数: 32

約数和(自身を含む): 41776560

約数和(自身を除く): 21424670

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9209, 18418, 46045, 92090, 119717, 156553, 239434, 313106, 598585, 782765, 1197170, 1565530, 2035189, 4070378, 10175945, 20351890]

約数ペア:

[(1, 20351890), (2, 10175945), (5, 4070378), (10, 2035189), (13, 1565530), (17, 1197170), (26, 782765), (34, 598585), (65, 313106), (85, 239434), (130, 156553), (170, 119717), (221, 92090), (442, 46045), (1105, 18418), (2210, 9209)]