20071045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 25110000

約数和(自身を除く): 5038955

約数列:

[1, 5, 29, 145, 149, 745, 929, 4321, 4645, 21605, 26941, 134705, 138421, 692105, 4014209, 20071045]

約数ペア:

[(1, 20071045), (5, 4014209), (29, 692105), (145, 138421), (149, 134705), (745, 26941), (929, 21605), (4321, 4645)]