20415696848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75057709}}^1$

素因数の和:75057734

約数の個数: 20

約数和(自身を含む): 41882202180

約数和(自身を除く): 21466505332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75057709, 150115418, 300230836, 600461672, 1200923344, 1275981053, 2551962106, 5103924212, 10207848424, 20415696848]

約数ペア:

[(1, 20415696848), (2, 10207848424), (4, 5103924212), (8, 2551962106), (16, 1275981053), (17, 1200923344), (34, 600461672), (68, 300230836), (136, 150115418), (272, 75057709)]