20027804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1033}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 36305808

約数和(自身を除く): 16278004

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1033, 2066, 4132, 4847, 9694, 19388, 38221, 76442, 135323, 152884, 270646, 541292, 5006951, 10013902, 20027804]

約数ペア:

[(1, 20027804), (2, 10013902), (4, 5006951), (37, 541292), (74, 270646), (131, 152884), (148, 135323), (262, 76442), (524, 38221), (1033, 19388), (2066, 9694), (4132, 4847)]