20243885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 25326000

約数和(自身を除く): 5082115

約数列:

[1, 5, 29, 145, 149, 745, 937, 4321, 4685, 21605, 27173, 135865, 139613, 698065, 4048777, 20243885]

約数ペア:

[(1, 20243885), (5, 4048777), (29, 698065), (145, 139613), (149, 135865), (745, 27173), (937, 21605), (4321, 4685)]