20565103894

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{21937}}^1\times {\mathrm{9973}}^1$

素因数の和:31959

約数の個数: 16

約数和(自身を含む): 31508584128

約数和(自身を除く): 10943480234

約数列:

[1, 2, 47, 94, 9973, 19946, 21937, 43874, 468731, 937462, 1031039, 2062078, 218777701, 437555402, 10282551947, 20565103894]

約数ペア:

[(1, 20565103894), (2, 10282551947), (47, 437555402), (94, 218777701), (9973, 2062078), (19946, 1031039), (21937, 937462), (43874, 468731)]