20665488

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{1637}}^1$

素因数の和:1911

約数の個数: 40

約数和(自身を含む): 53621568

約数和(自身を除く): 32956080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 1637, 2104, 3156, 3274, 4208, 4911, 6312, 6548, 9822, 12624, 13096, 19644, 26192, 39288, 78576, 430531, 861062, 1291593, 1722124, 2583186, 3444248, 5166372, 6888496, 10332744, 20665488]

約数ペア:

[(1, 20665488), (2, 10332744), (3, 6888496), (4, 5166372), (6, 3444248), (8, 2583186), (12, 1722124), (16, 1291593), (24, 861062), (48, 430531), (263, 78576), (526, 39288), (789, 26192), (1052, 19644), (1578, 13096), (1637, 12624), (2104, 9822), (3156, 6548), (3274, 6312), (4208, 4911)]