20744944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 23359376

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 311, 379, 622, 758, 1244, 1516, 2488, 3032, 3421, 4169, 4976, 6064, 6842, 8338, 13684, 16676, 27368, 33352, 54736, 66704, 117869, 235738, 471476, 942952, 1296559, 1885904, 2593118, 5186236, 10372472, 20744944]

約数ペア:

[(1, 20744944), (2, 10372472), (4, 5186236), (8, 2593118), (11, 1885904), (16, 1296559), (22, 942952), (44, 471476), (88, 235738), (176, 117869), (311, 66704), (379, 54736), (622, 33352), (758, 27368), (1244, 16676), (1516, 13684), (2488, 8338), (3032, 6842), (3421, 6064), (4169, 4976)]