20556045

素因数分解:

$3^3\times 5^1\times {\mathrm{152267}}^1$

素因数の和:152281

約数の個数: 16

約数和(自身を含む): 36544320

約数和(自身を除く): 15988275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 152267, 456801, 761335, 1370403, 2284005, 4111209, 6852015, 20556045]

約数ペア:

[(1, 20556045), (3, 6852015), (5, 4111209), (9, 2284005), (15, 1370403), (27, 761335), (45, 456801), (135, 152267)]