204302020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{785777}}^1$

素因数の和:785799

約数の個数: 24

約数和(自身を含む): 462037464

約数和(自身を除く): 257735444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 785777, 1571554, 3143108, 3928885, 7857770, 10215101, 15715540, 20430202, 40860404, 51075505, 102151010, 204302020]

約数ペア:

[(1, 204302020), (2, 102151010), (4, 51075505), (5, 40860404), (10, 20430202), (13, 15715540), (20, 10215101), (26, 7857770), (52, 3928885), (65, 3143108), (130, 1571554), (260, 785777)]