20144859921

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{139121}}^1$

素因数の和:139334

約数の個数: 32

約数和(自身を含む): 30985251840

約数和(自身を除く): 10840391919

約数列:

[1, 3, 9, 27, 31, 93, 173, 279, 519, 837, 1557, 4671, 5363, 16089, 48267, 139121, 144801, 417363, 1252089, 3756267, 4312751, 12938253, 24067933, 38814759, 72203799, 116444277, 216611397, 649834191, 746105923, 2238317769, 6714953307, 20144859921]

約数ペア:

[(1, 20144859921), (3, 6714953307), (9, 2238317769), (27, 746105923), (31, 649834191), (93, 216611397), (173, 116444277), (279, 72203799), (519, 38814759), (837, 24067933), (1557, 12938253), (4671, 4312751), (5363, 3756267), (16089, 1252089), (48267, 417363), (139121, 144801)]