20880147190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{298287817}}^1$

素因数の和:298287831

約数の個数: 16

約数和(自身を含む): 42953445792

約数和(自身を除く): 22073298602

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 298287817, 596575634, 1491439085, 2088014719, 2982878170, 4176029438, 10440073595, 20880147190]

約数ペア:

[(1, 20880147190), (2, 10440073595), (5, 4176029438), (7, 2982878170), (10, 2088014719), (14, 1491439085), (35, 596575634), (70, 298287817)]