20105628478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{3163}}^1\times {\mathrm{244481}}^1$

素因数の和:247659

約数の個数: 16

約数和(自身を含む): 32488724016

約数和(自身を除く): 12383095538

約数列:

[1, 2, 13, 26, 3163, 6326, 41119, 82238, 244481, 488962, 3178253, 6356506, 773293403, 1546586806, 10052814239, 20105628478]

約数ペア:

[(1, 20105628478), (2, 10052814239), (13, 1546586806), (26, 773293403), (3163, 6356506), (6326, 3178253), (41119, 488962), (82238, 244481)]