20914908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248987}}^1$

素因数の和:249001

約数の個数: 24

約数和(自身を含む): 55773312

約数和(自身を除く): 34858404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248987, 497974, 746961, 995948, 1493922, 1742909, 2987844, 3485818, 5228727, 6971636, 10457454, 20914908]

約数ペア:

[(1, 20914908), (2, 10457454), (3, 6971636), (4, 5228727), (6, 3485818), (7, 2987844), (12, 1742909), (14, 1493922), (21, 995948), (28, 746961), (42, 497974), (84, 248987)]