20462690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 39054960

約数和(自身を除く): 18592270

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1721, 2378, 3442, 5945, 8605, 11890, 17210, 49909, 70561, 99818, 141122, 249545, 352805, 499090, 705610, 2046269, 4092538, 10231345, 20462690]

約数ペア:

[(1, 20462690), (2, 10231345), (5, 4092538), (10, 2046269), (29, 705610), (41, 499090), (58, 352805), (82, 249545), (145, 141122), (205, 99818), (290, 70561), (410, 49909), (1189, 17210), (1721, 11890), (2378, 8605), (3442, 5945)]