84702020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{325777}}^1$

素因数の和:325799

約数の個数: 24

約数和(自身を含む): 191557464

約数和(自身を除く): 106855444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 325777, 651554, 1303108, 1628885, 3257770, 4235101, 6515540, 8470202, 16940404, 21175505, 42351010, 84702020]

約数ペア:

[(1, 84702020), (2, 42351010), (4, 21175505), (5, 16940404), (10, 8470202), (13, 6515540), (20, 4235101), (26, 3257770), (52, 1628885), (65, 1303108), (130, 651554), (260, 325777)]