20317275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8209}}^1$

素因数の和:8236

約数の個数: 36

約数和(自身を含む): 39703560

約数和(自身を除く): 19386285

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8209, 24627, 41045, 73881, 90299, 123135, 205225, 270897, 369405, 451495, 615675, 812691, 1354485, 1847025, 2257475, 4063455, 6772425, 20317275]

約数ペア:

[(1, 20317275), (3, 6772425), (5, 4063455), (9, 2257475), (11, 1847025), (15, 1354485), (25, 812691), (33, 615675), (45, 451495), (55, 369405), (75, 270897), (99, 205225), (165, 123135), (225, 90299), (275, 73881), (495, 41045), (825, 24627), (2475, 8209)]