20747006

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37160640

約数和(自身を除く): 16413634

約数列:

[1, 2, 7, 14, 29, 58, 137, 203, 274, 373, 406, 746, 959, 1918, 2611, 3973, 5222, 7946, 10817, 21634, 27811, 51101, 55622, 75719, 102202, 151438, 357707, 715414, 1481929, 2963858, 10373503, 20747006]

約数ペア:

[(1, 20747006), (2, 10373503), (7, 2963858), (14, 1481929), (29, 715414), (58, 357707), (137, 151438), (203, 102202), (274, 75719), (373, 55622), (406, 51101), (746, 27811), (959, 21634), (1918, 10817), (2611, 7946), (3973, 5222)]