20171512

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68147}}^1$

素因数の和:68190

約数の個数: 16

約数和(自身を含む): 38844360

約数和(自身を除く): 18672848

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68147, 136294, 272588, 545176, 2521439, 5042878, 10085756, 20171512]

約数ペア:

[(1, 20171512), (2, 10085756), (4, 5042878), (8, 2521439), (37, 545176), (74, 272588), (148, 136294), (296, 68147)]