20554795144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197642261}}^1$

素因数の和:197642280

約数の個数: 16

約数和(自身を含む): 41504875020

約数和(自身を除く): 20950079876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197642261, 395284522, 790569044, 1581138088, 2569349393, 5138698786, 10277397572, 20554795144]

約数ペア:

[(1, 20554795144), (2, 10277397572), (4, 5138698786), (8, 2569349393), (13, 1581138088), (26, 790569044), (52, 395284522), (104, 197642261)]