20154605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 25997760

約数和(自身を除く): 5843155

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3539, 5695, 17695, 60163, 237113, 300815, 1185565, 4030921, 20154605]

約数ペア:

[(1, 20154605), (5, 4030921), (17, 1185565), (67, 300815), (85, 237113), (335, 60163), (1139, 17695), (3539, 5695)]