20947660

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3701}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 44157456

約数和(自身を除く): 23209796

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3701, 5660, 7402, 14804, 18505, 37010, 74020, 1047383, 2094766, 4189532, 5236915, 10473830, 20947660]

約数ペア:

[(1, 20947660), (2, 10473830), (4, 5236915), (5, 4189532), (10, 2094766), (20, 1047383), (283, 74020), (566, 37010), (1132, 18505), (1415, 14804), (2830, 7402), (3701, 5660)]