20196053375

素因数分解:

$5^3\times {\mathrm{389}}^1\times {\mathrm{415343}}^1$

素因数の和:415747

約数の個数: 16

約数和(自身を含む): 25269528960

約数和(自身を除く): 5073475585

約数列:

[1, 5, 25, 125, 389, 1945, 9725, 48625, 415343, 2076715, 10383575, 51917875, 161568427, 807842135, 4039210675, 20196053375]

約数ペア:

[(1, 20196053375), (5, 4039210675), (25, 807842135), (125, 161568427), (389, 51917875), (1945, 10383575), (9725, 2076715), (48625, 415343)]