20425017

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 27813632

約数和(自身を除く): 7388615

約数列:

[1, 3, 67, 201, 307, 331, 921, 993, 20569, 22177, 61707, 66531, 101617, 304851, 6808339, 20425017]

約数ペア:

[(1, 20425017), (3, 6808339), (67, 304851), (201, 101617), (307, 66531), (331, 61707), (921, 22177), (993, 20569)]