20026890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17143

約数の個数: 48

約数和(自身を含む): 56078568

約数和(自身を除く): 36051678

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17117, 34234, 51351, 85585, 102702, 154053, 171170, 222521, 256755, 308106, 445042, 513510, 667563, 770265, 1112605, 1335126, 1540530, 2002689, 2225210, 3337815, 4005378, 6675630, 10013445, 20026890]

約数ペア:

[(1, 20026890), (2, 10013445), (3, 6675630), (5, 4005378), (6, 3337815), (9, 2225210), (10, 2002689), (13, 1540530), (15, 1335126), (18, 1112605), (26, 770265), (30, 667563), (39, 513510), (45, 445042), (65, 308106), (78, 256755), (90, 222521), (117, 171170), (130, 154053), (195, 102702), (234, 85585), (390, 51351), (585, 34234), (1170, 17117)]