20438130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681271}}^1$

素因数の和:681281

約数の個数: 16

約数和(自身を含む): 49051584

約数和(自身を除く): 28613454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681271, 1362542, 2043813, 3406355, 4087626, 6812710, 10219065, 20438130]

約数ペア:

[(1, 20438130), (2, 10219065), (3, 6812710), (5, 4087626), (6, 3406355), (10, 2043813), (15, 1362542), (30, 681271)]