20494035

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19801}}^1$

素因数の和:19835

約数の個数: 24

約数和(自身を含む): 37069344

約数和(自身を除く): 16575309

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19801, 59403, 99005, 178209, 297015, 455423, 891045, 1366269, 2277115, 4098807, 6831345, 20494035]

約数ペア:

[(1, 20494035), (3, 6831345), (5, 4098807), (9, 2277115), (15, 1366269), (23, 891045), (45, 455423), (69, 297015), (115, 178209), (207, 99005), (345, 59403), (1035, 19801)]