20345025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4447}}^1$

素因数の和:4521

約数の個数: 24

約数和(自身を含む): 34196224

約数和(自身を除く): 13851199

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4447, 4575, 13341, 22235, 66705, 111175, 271267, 333525, 813801, 1356335, 4069005, 6781675, 20345025]

約数ペア:

[(1, 20345025), (3, 6781675), (5, 4069005), (15, 1356335), (25, 813801), (61, 333525), (75, 271267), (183, 111175), (305, 66705), (915, 22235), (1525, 13341), (4447, 4575)]