20842077

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 28259840

約数和(自身を除く): 7417763

約数列:

[1, 3, 139, 151, 331, 417, 453, 993, 20989, 46009, 49981, 62967, 138027, 149943, 6947359, 20842077]

約数ペア:

[(1, 20842077), (3, 6947359), (139, 149943), (151, 138027), (331, 62967), (417, 49981), (453, 46009), (993, 20989)]