20181806960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36038941}}^1$

素因数の和:36038961

約数の個数: 40

約数和(自身を含む): 53625945696

約数和(自身を除く): 33444138736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36038941, 72077882, 144155764, 180194705, 252272587, 288311528, 360389410, 504545174, 576623056, 720778820, 1009090348, 1261362935, 1441557640, 2018180696, 2522725870, 2883115280, 4036361392, 5045451740, 10090903480, 20181806960]

約数ペア:

[(1, 20181806960), (2, 10090903480), (4, 5045451740), (5, 4036361392), (7, 2883115280), (8, 2522725870), (10, 2018180696), (14, 1441557640), (16, 1261362935), (20, 1009090348), (28, 720778820), (35, 576623056), (40, 504545174), (56, 360389410), (70, 288311528), (80, 252272587), (112, 180194705), (140, 144155764), (280, 72077882), (560, 36038941)]