20316615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7243}}^1$

素因数の和:7279

約数の個数: 32

約数和(自身を含む): 37552896

約数和(自身を除く): 17236281

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7243, 21729, 36215, 79673, 108645, 123131, 239019, 369393, 398365, 615655, 1195095, 1354441, 1846965, 4063323, 6772205, 20316615]

約数ペア:

[(1, 20316615), (3, 6772205), (5, 4063323), (11, 1846965), (15, 1354441), (17, 1195095), (33, 615655), (51, 398365), (55, 369393), (85, 239019), (165, 123131), (187, 108645), (255, 79673), (561, 36215), (935, 21729), (2805, 7243)]