20396820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1459}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 57395520

約数和(自身を除く): 36998700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1398, 1459, 2330, 2796, 2918, 3495, 4377, 4660, 5836, 6990, 7295, 8754, 13980, 14590, 17508, 21885, 29180, 43770, 87540, 339947, 679894, 1019841, 1359788, 1699735, 2039682, 3399470, 4079364, 5099205, 6798940, 10198410, 20396820]

約数ペア:

[(1, 20396820), (2, 10198410), (3, 6798940), (4, 5099205), (5, 4079364), (6, 3399470), (10, 2039682), (12, 1699735), (15, 1359788), (20, 1019841), (30, 679894), (60, 339947), (233, 87540), (466, 43770), (699, 29180), (932, 21885), (1165, 17508), (1398, 14590), (1459, 13980), (2330, 8754), (2796, 7295), (2918, 6990), (3495, 5836), (4377, 4660)]