20992940

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3709}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 44252880

約数和(自身を除く): 23259940

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3709, 5660, 7418, 14836, 18545, 37090, 74180, 1049647, 2099294, 4198588, 5248235, 10496470, 20992940]

約数ペア:

[(1, 20992940), (2, 10496470), (4, 5248235), (5, 4198588), (10, 2099294), (20, 1049647), (283, 74180), (566, 37090), (1132, 18545), (1415, 14836), (2830, 7418), (3709, 5660)]