20646165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13827435

約数列:

[1, 3, 5, 15, 41, 59, 123, 177, 205, 295, 569, 615, 885, 1707, 2419, 2845, 7257, 8535, 12095, 23329, 33571, 36285, 69987, 100713, 116645, 167855, 349935, 503565, 1376411, 4129233, 6882055, 20646165]

約数ペア:

[(1, 20646165), (3, 6882055), (5, 4129233), (15, 1376411), (41, 503565), (59, 349935), (123, 167855), (177, 116645), (205, 100713), (295, 69987), (569, 36285), (615, 33571), (885, 23329), (1707, 12095), (2419, 8535), (2845, 7257)]