20508715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 26360640

約数和(自身を除く): 5851925

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2711, 7565, 13555, 46087, 230435, 241279, 1206395, 4101743, 20508715]

約数ペア:

[(1, 20508715), (5, 4101743), (17, 1206395), (85, 241279), (89, 230435), (445, 46087), (1513, 13555), (2711, 7565)]