20280430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22787}}^1$

素因数の和:22883

約数の個数: 16

約数和(自身を含む): 36916560

約数和(自身を除く): 16636130

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22787, 45574, 113935, 227870, 2028043, 4056086, 10140215, 20280430]

約数ペア:

[(1, 20280430), (2, 10140215), (5, 4056086), (10, 2028043), (89, 227870), (178, 113935), (445, 45574), (890, 22787)]