20046495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 37186560

約数和(自身を除く): 17140065

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2689, 7455, 8067, 13445, 18823, 40335, 56469, 94115, 190919, 282345, 572757, 954595, 1336433, 2863785, 4009299, 6682165, 20046495]

約数ペア:

[(1, 20046495), (3, 6682165), (5, 4009299), (7, 2863785), (15, 1336433), (21, 954595), (35, 572757), (71, 282345), (105, 190919), (213, 94115), (355, 56469), (497, 40335), (1065, 18823), (1491, 13445), (2485, 8067), (2689, 7455)]