20280438

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2689}}^1$

素因数の和:3116

約数の個数: 24

約数和(自身を含む): 44062200

約数和(自身を除く): 23781762

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 2689, 3771, 5378, 7542, 8067, 16134, 24201, 48402, 1126691, 2253382, 3380073, 6760146, 10140219, 20280438]

約数ペア:

[(1, 20280438), (2, 10140219), (3, 6760146), (6, 3380073), (9, 2253382), (18, 1126691), (419, 48402), (838, 24201), (1257, 16134), (2514, 8067), (2689, 7542), (3771, 5378)]