20196220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91801}}^1$

素因数の和:91821

約数の個数: 24

約数和(自身を含む): 46268208

約数和(自身を除く): 26071988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91801, 183602, 367204, 459005, 918010, 1009811, 1836020, 2019622, 4039244, 5049055, 10098110, 20196220]

約数ペア:

[(1, 20196220), (2, 10098110), (4, 5049055), (5, 4039244), (10, 2019622), (11, 1836020), (20, 1009811), (22, 918010), (44, 459005), (55, 367204), (110, 183602), (220, 91801)]