20985084

素因数分解:

$2^2\times 3^2\times {\mathrm{593}}^1\times {\mathrm{983}}^1$

素因数の和:1586

約数の個数: 36

約数和(自身を含む): 53189136

約数和(自身を除く): 32204052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 593, 983, 1186, 1779, 1966, 2372, 2949, 3558, 3932, 5337, 5898, 7116, 8847, 10674, 11796, 17694, 21348, 35388, 582919, 1165838, 1748757, 2331676, 3497514, 5246271, 6995028, 10492542, 20985084]

約数ペア:

[(1, 20985084), (2, 10492542), (3, 6995028), (4, 5246271), (6, 3497514), (9, 2331676), (12, 1748757), (18, 1165838), (36, 582919), (593, 35388), (983, 21348), (1186, 17694), (1779, 11796), (1966, 10674), (2372, 8847), (2949, 7116), (3558, 5898), (3932, 5337)]