20214820085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{18353}}^1$

素因数の和:18557

約数の個数: 32

約数和(自身を含む): 25584007680

約数和(自身を除く): 5369187595

約数列:

[1, 5, 43, 47, 109, 215, 235, 545, 2021, 4687, 5123, 10105, 18353, 23435, 25615, 91765, 220289, 789179, 862591, 1101445, 2000477, 3945895, 4312955, 10002385, 37091413, 86020511, 94022419, 185457065, 430102555, 470112095, 4042964017, 20214820085]

約数ペア:

[(1, 20214820085), (5, 4042964017), (43, 470112095), (47, 430102555), (109, 185457065), (215, 94022419), (235, 86020511), (545, 37091413), (2021, 10002385), (4687, 4312955), (5123, 3945895), (10105, 2000477), (18353, 1101445), (23435, 862591), (25615, 789179), (91765, 220289)]