20393848

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{9203}}^1$

素因数の和:9486

約数の個数: 16

約数和(自身を含む): 38380680

約数和(自身を除く): 17986832

約数列:

[1, 2, 4, 8, 277, 554, 1108, 2216, 9203, 18406, 36812, 73624, 2549231, 5098462, 10196924, 20393848]

約数ペア:

[(1, 20393848), (2, 10196924), (4, 5098462), (8, 2549231), (277, 73624), (554, 36812), (1108, 18406), (2216, 9203)]