20977383

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1619}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 11059737

約数列:

[1, 3, 7, 21, 617, 1619, 1851, 4319, 4857, 11333, 12957, 33999, 998923, 2996769, 6992461, 20977383]

約数ペア:

[(1, 20977383), (3, 6992461), (7, 2996769), (21, 998923), (617, 33999), (1619, 12957), (1851, 11333), (4319, 4857)]