20090028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239167}}^1$

素因数の和:239181

約数の個数: 24

約数和(自身を含む): 53573632

約数和(自身を除く): 33483604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239167, 478334, 717501, 956668, 1435002, 1674169, 2870004, 3348338, 5022507, 6696676, 10045014, 20090028]

約数ペア:

[(1, 20090028), (2, 10045014), (3, 6696676), (4, 5022507), (6, 3348338), (7, 2870004), (12, 1674169), (14, 1435002), (21, 956668), (28, 717501), (42, 478334), (84, 239167)]