20328728

素因数分解:

$2^3\times 7^2\times {\mathrm{51859}}^1$

素因数の和:51879

約数の個数: 24

約数和(自身を含む): 44340300

約数和(自身を除く): 24011572

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 51859, 103718, 207436, 363013, 414872, 726026, 1452052, 2541091, 2904104, 5082182, 10164364, 20328728]

約数ペア:

[(1, 20328728), (2, 10164364), (4, 5082182), (7, 2904104), (8, 2541091), (14, 1452052), (28, 726026), (49, 414872), (56, 363013), (98, 207436), (196, 103718), (392, 51859)]