20178873070

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30117721}}^1$

素因数の和:30117795

約数の個数: 16

約数和(自身を含む): 36864091728

約数和(自身を除く): 16685218658

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30117721, 60235442, 150588605, 301177210, 2017887307, 4035774614, 10089436535, 20178873070]

約数ペア:

[(1, 20178873070), (2, 10089436535), (5, 4035774614), (10, 2017887307), (67, 301177210), (134, 150588605), (335, 60235442), (670, 30117721)]