20871302415

素因数分解:

$3^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1261487}}^1$

素因数の和:1262598

約数の個数: 16

約数和(自身を含む): 33424386048

約数和(自身を除く): 12553083633

約数列:

[1, 3, 5, 15, 1103, 3309, 5515, 16545, 1261487, 3784461, 6307435, 18922305, 1391420161, 4174260483, 6957100805, 20871302415]

約数ペア:

[(1, 20871302415), (3, 6957100805), (5, 4174260483), (15, 1391420161), (1103, 18922305), (3309, 6307435), (5515, 3784461), (16545, 1261487)]