20215723070

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30172721}}^1$

素因数の和:30172795

約数の個数: 16

約数和(自身を含む): 36931411728

約数和(自身を除く): 16715688658

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30172721, 60345442, 150863605, 301727210, 2021572307, 4043144614, 10107861535, 20215723070]

約数ペア:

[(1, 20215723070), (2, 10107861535), (5, 4043144614), (10, 2021572307), (67, 301727210), (134, 150863605), (335, 60345442), (670, 30172721)]