20896846

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 24

約数和(自身を含む): 33521904

約数和(自身を除く): 12625058

約数列:

[1, 2, 19, 38, 103, 206, 281, 361, 562, 722, 1957, 3914, 5339, 10678, 28943, 37183, 57886, 74366, 101441, 202882, 549917, 1099834, 10448423, 20896846]

約数ペア:

[(1, 20896846), (2, 10448423), (19, 1099834), (38, 549917), (103, 202882), (206, 101441), (281, 74366), (361, 57886), (562, 37183), (722, 28943), (1957, 10678), (3914, 5339)]