20498670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25307}}^1$

素因数の和:25326

約数の個数: 40

約数和(自身を含む): 55120824

約数和(自身を除く): 34622154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25307, 50614, 75921, 126535, 151842, 227763, 253070, 379605, 455526, 683289, 759210, 1138815, 1366578, 2049867, 2277630, 3416445, 4099734, 6832890, 10249335, 20498670]

約数ペア:

[(1, 20498670), (2, 10249335), (3, 6832890), (5, 4099734), (6, 3416445), (9, 2277630), (10, 2049867), (15, 1366578), (18, 1138815), (27, 759210), (30, 683289), (45, 455526), (54, 379605), (81, 253070), (90, 227763), (135, 151842), (162, 126535), (270, 75921), (405, 50614), (810, 25307)]