20975332

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1160

約数の個数: 36

約数和(自身を含む): 43155840

約数和(自身を除く): 22180508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 1039, 1442, 2078, 2884, 4156, 5047, 7273, 10094, 14546, 20188, 29092, 50911, 101822, 107017, 203644, 214034, 428068, 749119, 1498238, 2996476, 5243833, 10487666, 20975332]

約数ペア:

[(1, 20975332), (2, 10487666), (4, 5243833), (7, 2996476), (14, 1498238), (28, 749119), (49, 428068), (98, 214034), (103, 203644), (196, 107017), (206, 101822), (412, 50911), (721, 29092), (1039, 20188), (1442, 14546), (2078, 10094), (2884, 7273), (4156, 5047)]