20798584

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 40360320

約数和(自身を除く): 19561736

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 587, 824, 1174, 2348, 4429, 4696, 8858, 17716, 25241, 35432, 50482, 60461, 100964, 120922, 201928, 241844, 483688, 2599823, 5199646, 10399292, 20798584]

約数ペア:

[(1, 20798584), (2, 10399292), (4, 5199646), (8, 2599823), (43, 483688), (86, 241844), (103, 201928), (172, 120922), (206, 100964), (344, 60461), (412, 50482), (587, 35432), (824, 25241), (1174, 17716), (2348, 8858), (4429, 4696)]