20678028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246167}}^1$

素因数の和:246181

約数の個数: 24

約数和(自身を含む): 55141632

約数和(自身を除く): 34463604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246167, 492334, 738501, 984668, 1477002, 1723169, 2954004, 3446338, 5169507, 6892676, 10339014, 20678028]

約数ペア:

[(1, 20678028), (2, 10339014), (3, 6892676), (4, 5169507), (6, 3446338), (7, 2954004), (12, 1723169), (14, 1477002), (21, 984668), (28, 738501), (42, 492334), (84, 246167)]