20138604944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66245411}}^1$

素因数の和:66245438

約数の個数: 20

約数和(自身を含む): 41072155440

約数和(自身を除く): 20933550496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66245411, 132490822, 264981644, 529963288, 1059926576, 1258662809, 2517325618, 5034651236, 10069302472, 20138604944]

約数ペア:

[(1, 20138604944), (2, 10069302472), (4, 5034651236), (8, 2517325618), (16, 1258662809), (19, 1059926576), (38, 529963288), (76, 264981644), (152, 132490822), (304, 66245411)]