20074730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 19043734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 503, 614, 1006, 1535, 2515, 3070, 3991, 5030, 6539, 7982, 13078, 19955, 32695, 39910, 65390, 154421, 308842, 772105, 1544210, 2007473, 4014946, 10037365, 20074730]

約数ペア:

[(1, 20074730), (2, 10037365), (5, 4014946), (10, 2007473), (13, 1544210), (26, 772105), (65, 308842), (130, 154421), (307, 65390), (503, 39910), (614, 32695), (1006, 19955), (1535, 13078), (2515, 7982), (3070, 6539), (3991, 5030)]