20483225

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 30873024

約数和(自身を除く): 10389799

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 727, 805, 1127, 1225, 3635, 4025, 5089, 5635, 16721, 18175, 25445, 28175, 35623, 83605, 117047, 127225, 178115, 418025, 585235, 819329, 890575, 2926175, 4096645, 20483225]

約数ペア:

[(1, 20483225), (5, 4096645), (7, 2926175), (23, 890575), (25, 819329), (35, 585235), (49, 418025), (115, 178115), (161, 127225), (175, 117047), (245, 83605), (575, 35623), (727, 28175), (805, 25445), (1127, 18175), (1225, 16721), (3635, 5635), (4025, 5089)]