20179933172

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1\times {\mathrm{23099}}^1$

素因数の和:23912

約数の個数: 48

約数和(自身を含む): 41400374400

約数和(自身を除く): 21220441228

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 761, 1148, 1522, 3044, 5327, 10654, 21308, 23099, 31201, 46198, 62402, 92396, 124804, 161693, 218407, 323386, 436814, 646772, 873628, 947059, 1894118, 3788236, 6629413, 13258826, 17578339, 26517652, 35156678, 70313356, 123048373, 246096746, 492193492, 720711899, 1441423798, 2882847596, 5044983293, 10089966586, 20179933172]

約数ペア:

[(1, 20179933172), (2, 10089966586), (4, 5044983293), (7, 2882847596), (14, 1441423798), (28, 720711899), (41, 492193492), (82, 246096746), (164, 123048373), (287, 70313356), (574, 35156678), (761, 26517652), (1148, 17578339), (1522, 13258826), (3044, 6629413), (5327, 3788236), (10654, 1894118), (21308, 947059), (23099, 873628), (31201, 646772), (46198, 436814), (62402, 323386), (92396, 218407), (124804, 161693)]