20170172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22165828

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 1012, 1049, 1748, 2098, 4196, 4807, 9614, 11539, 19228, 19931, 23078, 24127, 39862, 46156, 48254, 79724, 96508, 219241, 265397, 438482, 458413, 530794, 876964, 916826, 1061588, 1833652, 5042543, 10085086, 20170172]

約数ペア:

[(1, 20170172), (2, 10085086), (4, 5042543), (11, 1833652), (19, 1061588), (22, 916826), (23, 876964), (38, 530794), (44, 458413), (46, 438482), (76, 265397), (92, 219241), (209, 96508), (253, 79724), (418, 48254), (437, 46156), (506, 39862), (836, 24127), (874, 23078), (1012, 19931), (1049, 19228), (1748, 11539), (2098, 9614), (4196, 4807)]