20009131429

素因数分解:

$7^2\times {\mathrm{157}}^1\times {\mathrm{383}}^1\times {\mathrm{6791}}^1$

素因数の和:7345

約数の個数: 24

約数和(自身を含む): 23488800768

約数和(自身を除く): 3479669339

約数列:

[1, 7, 49, 157, 383, 1099, 2681, 6791, 7693, 18767, 47537, 60131, 332759, 420917, 1066187, 2600953, 2946419, 7463309, 18206671, 52243163, 127446697, 408349621, 2858447347, 20009131429]

約数ペア:

[(1, 20009131429), (7, 2858447347), (49, 408349621), (157, 127446697), (383, 52243163), (1099, 18206671), (2681, 7463309), (6791, 2946419), (7693, 2600953), (18767, 1066187), (47537, 420917), (60131, 332759)]