20507938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2671}}^1$

素因数の和:3033

約数の個数: 16

約数和(自身を含む): 33667200

約数和(自身を除く): 13159262

約数列:

[1, 2, 11, 22, 349, 698, 2671, 3839, 5342, 7678, 29381, 58762, 932179, 1864358, 10253969, 20507938]

約数ペア:

[(1, 20507938), (2, 10253969), (11, 1864358), (22, 932179), (349, 58762), (698, 29381), (2671, 7678), (3839, 5342)]