20409938

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1213}}^1$

素因数の和:1441

約数の個数: 16

約数和(自身を含む): 31466880

約数和(自身を除く): 11056942

約数列:

[1, 2, 47, 94, 179, 358, 1213, 2426, 8413, 16826, 57011, 114022, 217127, 434254, 10204969, 20409938]

約数ペア:

[(1, 20409938), (2, 10204969), (47, 434254), (94, 217127), (179, 114022), (358, 57011), (1213, 16826), (2426, 8413)]