20948660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28309}}^1$

素因数の和:28355

約数の個数: 24

約数和(自身を含む): 45182760

約数和(自身を除く): 24234100

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28309, 56618, 113236, 141545, 283090, 566180, 1047433, 2094866, 4189732, 5237165, 10474330, 20948660]

約数ペア:

[(1, 20948660), (2, 10474330), (4, 5237165), (5, 4189732), (10, 2094866), (20, 1047433), (37, 566180), (74, 283090), (148, 141545), (185, 113236), (370, 56618), (740, 28309)]