20657494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72229}}^1$

素因数の和:72255

約数の個数: 16

約数和(自身を含む): 36403920

約数和(自身を除く): 15746426

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72229, 144458, 794519, 938977, 1589038, 1877954, 10328747, 20657494]

約数ペア:

[(1, 20657494), (2, 10328747), (11, 1877954), (13, 1589038), (22, 938977), (26, 794519), (143, 144458), (286, 72229)]