20216175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5501}}^1$

素因数の和:5528

約数の個数: 36

約数和(自身を含む): 38888136

約数和(自身を除く): 18671961

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5501, 16503, 27505, 38507, 82515, 115521, 137525, 192535, 269549, 412575, 577605, 808647, 962675, 1347745, 2888025, 4043235, 6738725, 20216175]

約数ペア:

[(1, 20216175), (3, 6738725), (5, 4043235), (7, 2888025), (15, 1347745), (21, 962675), (25, 808647), (35, 577605), (49, 412575), (75, 269549), (105, 192535), (147, 137525), (175, 115521), (245, 82515), (525, 38507), (735, 27505), (1225, 16503), (3675, 5501)]