20125593616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73991153}}^1$

素因数の和:73991178

約数の個数: 20

約数和(自身を含む): 41287063932

約数和(自身を除く): 21161470316

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73991153, 147982306, 295964612, 591929224, 1183858448, 1257849601, 2515699202, 5031398404, 10062796808, 20125593616]

約数ペア:

[(1, 20125593616), (2, 10062796808), (4, 5031398404), (8, 2515699202), (16, 1257849601), (17, 1183858448), (34, 591929224), (68, 295964612), (136, 147982306), (272, 73991153)]