20504235

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22409}}^1$

素因数の和:22478

約数の個数: 16

約数和(自身を含む): 33346080

約数和(自身を除く): 12841845

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22409, 67227, 112045, 336135, 1366949, 4100847, 6834745, 20504235]

約数ペア:

[(1, 20504235), (3, 6834745), (5, 4100847), (15, 1366949), (61, 336135), (183, 112045), (305, 67227), (915, 22409)]