20992533

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1657}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 28968576

約数和(自身を除く): 7976043

約数列:

[1, 3, 41, 103, 123, 309, 1657, 4223, 4971, 12669, 67937, 170671, 203811, 512013, 6997511, 20992533]

約数ペア:

[(1, 20992533), (3, 6997511), (41, 512013), (103, 203811), (123, 170671), (309, 67937), (1657, 12669), (4223, 4971)]