20189709747

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{253681}}^1$

素因数の和:253963

約数の個数: 24

約数和(自身を含む): 30076537920

約数和(自身を除く): 9886828173

約数列:

[1, 3, 9, 37, 111, 239, 333, 717, 2151, 8843, 26529, 79587, 253681, 761043, 2283129, 9386197, 28158591, 60629759, 84475773, 181889277, 545667831, 2243301083, 6729903249, 20189709747]

約数ペア:

[(1, 20189709747), (3, 6729903249), (9, 2243301083), (37, 545667831), (111, 181889277), (239, 84475773), (333, 60629759), (717, 28158591), (2151, 9386197), (8843, 2283129), (26529, 761043), (79587, 253681)]