20802168

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{929}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 56581200

約数和(自身を除く): 35779032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 929, 933, 1244, 1858, 1866, 2488, 2787, 2799, 3716, 3732, 5574, 5598, 7432, 7464, 8361, 11148, 11196, 16722, 22296, 22392, 33444, 66888, 288919, 577838, 866757, 1155676, 1733514, 2311352, 2600271, 3467028, 5200542, 6934056, 10401084, 20802168]

約数ペア:

[(1, 20802168), (2, 10401084), (3, 6934056), (4, 5200542), (6, 3467028), (8, 2600271), (9, 2311352), (12, 1733514), (18, 1155676), (24, 866757), (36, 577838), (72, 288919), (311, 66888), (622, 33444), (929, 22392), (933, 22296), (1244, 16722), (1858, 11196), (1866, 11148), (2488, 8361), (2787, 7464), (2799, 7432), (3716, 5598), (3732, 5574)]