20375945

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 26524800

約数和(自身を除く): 6148855

約数列:

[1, 5, 17, 59, 85, 239, 289, 295, 1003, 1195, 1445, 4063, 5015, 14101, 17051, 20315, 69071, 70505, 85255, 239717, 345355, 1198585, 4075189, 20375945]

約数ペア:

[(1, 20375945), (5, 4075189), (17, 1198585), (59, 345355), (85, 239717), (239, 85255), (289, 70505), (295, 69071), (1003, 20315), (1195, 17051), (1445, 14101), (4063, 5015)]