68672020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149287}}^1$

素因数の和:149319

約数の個数: 24

約数和(自身を含む): 150482304

約数和(自身を除く): 81810284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 149287, 298574, 597148, 746435, 1492870, 2985740, 3433601, 6867202, 13734404, 17168005, 34336010, 68672020]

約数ペア:

[(1, 68672020), (2, 34336010), (4, 17168005), (5, 13734404), (10, 6867202), (20, 3433601), (23, 2985740), (46, 1492870), (92, 746435), (115, 597148), (230, 298574), (460, 149287)]