19953580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58687}}^1$

素因数の和:58713

約数の個数: 24

約数和(自身を含む): 44368128

約数和(自身を除く): 24414548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58687, 117374, 234748, 293435, 586870, 997679, 1173740, 1995358, 3990716, 4988395, 9976790, 19953580]

約数ペア:

[(1, 19953580), (2, 9976790), (4, 4988395), (5, 3990716), (10, 1995358), (17, 1173740), (20, 997679), (34, 586870), (68, 293435), (85, 234748), (170, 117374), (340, 58687)]