20672055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19973}}^1$

素因数の和:20007

約数の個数: 24

約数和(自身を含む): 37391328

約数和(自身を除く): 16719273

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19973, 59919, 99865, 179757, 299595, 459379, 898785, 1378137, 2296895, 4134411, 6890685, 20672055]

約数ペア:

[(1, 20672055), (3, 6890685), (5, 4134411), (9, 2296895), (15, 1378137), (23, 898785), (45, 459379), (69, 299595), (115, 179757), (207, 99865), (345, 59919), (1035, 19973)]