20423060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145879}}^1$

素因数の和:145895

約数の個数: 24

約数和(自身を含む): 49015680

約数和(自身を除く): 28592620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145879, 291758, 583516, 729395, 1021153, 1458790, 2042306, 2917580, 4084612, 5105765, 10211530, 20423060]

約数ペア:

[(1, 20423060), (2, 10211530), (4, 5105765), (5, 4084612), (7, 2917580), (10, 2042306), (14, 1458790), (20, 1021153), (28, 729395), (35, 583516), (70, 291758), (140, 145879)]