20415285

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41243}}^1$

素因数の和:41265

約数の個数: 24

約数和(自身を含む): 38604384

約数和(自身を除く): 18189099

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41243, 123729, 206215, 371187, 453673, 618645, 1361019, 1855935, 2268365, 4083057, 6805095, 20415285]

約数ペア:

[(1, 20415285), (3, 6805095), (5, 4083057), (9, 2268365), (11, 1855935), (15, 1361019), (33, 618645), (45, 453673), (55, 371187), (99, 206215), (165, 123729), (495, 41243)]