20669470

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 38607840

約数和(自身を除く): 17938370

約数列:

[1, 2, 5, 10, 53, 59, 106, 118, 265, 295, 530, 590, 661, 1322, 3127, 3305, 6254, 6610, 15635, 31270, 35033, 38999, 70066, 77998, 175165, 194995, 350330, 389990, 2066947, 4133894, 10334735, 20669470]

約数ペア:

[(1, 20669470), (2, 10334735), (5, 4133894), (10, 2066947), (53, 389990), (59, 350330), (106, 194995), (118, 175165), (265, 77998), (295, 70066), (530, 38999), (590, 35033), (661, 31270), (1322, 15635), (3127, 6610), (3305, 6254)]