20606145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{443}}^2$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 37765056

約数和(自身を除く): 17158911

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 443, 1329, 2215, 3101, 6645, 9303, 15505, 46515, 196249, 588747, 981245, 1373743, 2943735, 4121229, 6868715, 20606145]

約数ペア:

[(1, 20606145), (3, 6868715), (5, 4121229), (7, 2943735), (15, 1373743), (21, 981245), (35, 588747), (105, 196249), (443, 46515), (1329, 15505), (2215, 9303), (3101, 6645)]