20017984

素因数分解:

$2^6\times 7^1\times {\mathrm{44683}}^1$

素因数の和:44702

約数の個数: 28

約数和(自身を含む): 45398944

約数和(自身を除く): 25380960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 44683, 89366, 178732, 312781, 357464, 625562, 714928, 1251124, 1429856, 2502248, 2859712, 5004496, 10008992, 20017984]

約数ペア:

[(1, 20017984), (2, 10008992), (4, 5004496), (7, 2859712), (8, 2502248), (14, 1429856), (16, 1251124), (28, 714928), (32, 625562), (56, 357464), (64, 312781), (112, 178732), (224, 89366), (448, 44683)]