20129810

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13331}}^1$

素因数の和:13489

約数の個数: 16

約数和(自身を含む): 36476352

約数和(自身を除く): 16346542

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13331, 26662, 66655, 133310, 2012981, 4025962, 10064905, 20129810]

約数ペア:

[(1, 20129810), (2, 10064905), (5, 4025962), (10, 2012981), (151, 133310), (302, 66655), (755, 26662), (1510, 13331)]