20776844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7741}}^1$

素因数の和:7817

約数の個数: 24

約数和(自身を含む): 40320336

約数和(自身を除く): 19543492

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7741, 15482, 30964, 85151, 170302, 340604, 472201, 944402, 1888804, 5194211, 10388422, 20776844]

約数ペア:

[(1, 20776844), (2, 10388422), (4, 5194211), (11, 1888804), (22, 944402), (44, 472201), (61, 340604), (122, 170302), (244, 85151), (671, 30964), (1342, 15482), (2684, 7741)]