12219020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55541}}^1$

素因数の和:55561

約数の個数: 24

約数和(自身を含む): 27993168

約数和(自身を除く): 15774148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 55541, 111082, 222164, 277705, 555410, 610951, 1110820, 1221902, 2443804, 3054755, 6109510, 12219020]

約数ペア:

[(1, 12219020), (2, 6109510), (4, 3054755), (5, 2443804), (10, 1221902), (11, 1110820), (20, 610951), (22, 555410), (44, 277705), (55, 222164), (110, 111082), (220, 55541)]