159047620

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{18451}}^1$

素因数の和:18891

約数の個数: 24

約数和(自身を含む): 334793088

約数和(自身を除く): 175745468

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 18451, 36902, 73804, 92255, 184510, 369020, 7952381, 15904762, 31809524, 39761905, 79523810, 159047620]

約数ペア:

[(1, 159047620), (2, 79523810), (4, 39761905), (5, 31809524), (10, 15904762), (20, 7952381), (431, 369020), (862, 184510), (1724, 92255), (2155, 73804), (4310, 36902), (8620, 18451)]