20180791015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1278479}}^1$

素因数の和:1278543

約数の個数: 32

約数和(自身を含む): 30928988160

約数和(自身を除く): 10748197145

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1435, 2255, 3157, 15785, 1278479, 6392395, 8949353, 14063269, 44746765, 52417639, 70316345, 98442883, 262088195, 366923473, 492214415, 576594029, 1834617365, 2882970145, 4036158203, 20180791015]

約数ペア:

[(1, 20180791015), (5, 4036158203), (7, 2882970145), (11, 1834617365), (35, 576594029), (41, 492214415), (55, 366923473), (77, 262088195), (205, 98442883), (287, 70316345), (385, 52417639), (451, 44746765), (1435, 14063269), (2255, 8949353), (3157, 6392395), (15785, 1278479)]