20172817928

素因数分解:

$2^3\times {\mathrm{20507}}^1\times {\mathrm{122963}}^1$

素因数の和:143476

約数の個数: 16

約数和(自身を含む): 37826185680

約数和(自身を除く): 17653367752

約数列:

[1, 2, 4, 8, 20507, 41014, 82028, 122963, 164056, 245926, 491852, 983704, 2521602241, 5043204482, 10086408964, 20172817928]

約数ペア:

[(1, 20172817928), (2, 10086408964), (4, 5043204482), (8, 2521602241), (20507, 983704), (41014, 491852), (82028, 245926), (122963, 164056)]