206842820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{68491}}^1$

素因数の和:68651

約数の個数: 24

約数和(自身を含む): 437252928

約数和(自身を除く): 230410108

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 68491, 136982, 273964, 342455, 684910, 1369820, 10342141, 20684282, 41368564, 51710705, 103421410, 206842820]

約数ペア:

[(1, 206842820), (2, 103421410), (4, 51710705), (5, 41368564), (10, 20684282), (20, 10342141), (151, 1369820), (302, 684910), (604, 342455), (755, 273964), (1510, 136982), (3020, 68491)]