20210470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6204

約数の個数: 32

約数和(自身を含む): 42467328

約数和(自身を除く): 22256858

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6143, 12286, 30715, 43001, 61430, 86002, 215005, 288721, 430010, 577442, 1443605, 2021047, 2887210, 4042094, 10105235, 20210470]

約数ペア:

[(1, 20210470), (2, 10105235), (5, 4042094), (7, 2887210), (10, 2021047), (14, 1443605), (35, 577442), (47, 430010), (70, 288721), (94, 215005), (235, 86002), (329, 61430), (470, 43001), (658, 30715), (1645, 12286), (3290, 6143)]