20198860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91813}}^1$

素因数の和:91833

約数の個数: 24

約数和(自身を含む): 46274256

約数和(自身を除く): 26075396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91813, 183626, 367252, 459065, 918130, 1009943, 1836260, 2019886, 4039772, 5049715, 10099430, 20198860]

約数ペア:

[(1, 20198860), (2, 10099430), (4, 5049715), (5, 4039772), (10, 2019886), (11, 1836260), (20, 1009943), (22, 918130), (44, 459065), (55, 367252), (110, 183626), (220, 91813)]