20203909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22947840

約数和(自身を除く): 2743931

約数列:

[1, 11, 31, 179, 331, 341, 1969, 3641, 5549, 10261, 59249, 61039, 112871, 651739, 1836719, 20203909]

約数ペア:

[(1, 20203909), (11, 1836719), (31, 651739), (179, 112871), (331, 61039), (341, 59249), (1969, 10261), (3641, 5549)]