20297535

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1609}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 33655440

約数和(自身を除く): 13357905

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1609, 2523, 4205, 4827, 8045, 12615, 24135, 46661, 139983, 233305, 699915, 1353169, 4059507, 6765845, 20297535]

約数ペア:

[(1, 20297535), (3, 6765845), (5, 4059507), (15, 1353169), (29, 699915), (87, 233305), (145, 139983), (435, 46661), (841, 24135), (1609, 12615), (2523, 8045), (4205, 4827)]