20828790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231431}}^1$

素因数の和:231444

約数の個数: 24

約数和(自身を含む): 54155088

約数和(自身を除く): 33326298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231431, 462862, 694293, 1157155, 1388586, 2082879, 2314310, 3471465, 4165758, 6942930, 10414395, 20828790]

約数ペア:

[(1, 20828790), (2, 10414395), (3, 6942930), (5, 4165758), (6, 3471465), (9, 2314310), (10, 2082879), (15, 1388586), (18, 1157155), (30, 694293), (45, 462862), (90, 231431)]