20151749212

素因数分解:

$2^2\times 7^2\times {\mathrm{102815047}}^1$

素因数の和:102815065

約数の個数: 18

約数和(自身を含む): 41023204152

約数和(自身を除く): 20871454940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102815047, 205630094, 411260188, 719705329, 1439410658, 2878821316, 5037937303, 10075874606, 20151749212]

約数ペア:

[(1, 20151749212), (2, 10075874606), (4, 5037937303), (7, 2878821316), (14, 1439410658), (28, 719705329), (49, 411260188), (98, 205630094), (196, 102815047)]