20557008

素因数分解:

$2^4\times 3^2\times {\mathrm{142757}}^1$

素因数の和:142771

約数の個数: 30

約数和(自身を含む): 57531474

約数和(自身を除く): 36974466

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142757, 285514, 428271, 571028, 856542, 1142056, 1284813, 1713084, 2284112, 2569626, 3426168, 5139252, 6852336, 10278504, 20557008]

約数ペア:

[(1, 20557008), (2, 10278504), (3, 6852336), (4, 5139252), (6, 3426168), (8, 2569626), (9, 2284112), (12, 1713084), (16, 1284813), (18, 1142056), (24, 856542), (36, 571028), (48, 428271), (72, 285514), (144, 142757)]