20798840825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1\times {\mathrm{12781}}^1$

素因数の和:13362

約数の個数: 48

約数和(自身を含む): 31268248704

約数和(自身を除く): 10469407879

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 547, 595, 2735, 2975, 3829, 9299, 12781, 13675, 19145, 46495, 63905, 65093, 89467, 95725, 217277, 232475, 319525, 325465, 447335, 1086385, 1520939, 1627325, 2236675, 5431925, 6991207, 7604695, 34956035, 38023475, 48938449, 118850519, 174780175, 244692245, 594252595, 831953633, 1223461225, 2971262975, 4159768165, 20798840825]

約数ペア:

[(1, 20798840825), (5, 4159768165), (7, 2971262975), (17, 1223461225), (25, 831953633), (35, 594252595), (85, 244692245), (119, 174780175), (175, 118850519), (425, 48938449), (547, 38023475), (595, 34956035), (2735, 7604695), (2975, 6991207), (3829, 5431925), (9299, 2236675), (12781, 1627325), (13675, 1520939), (19145, 1086385), (46495, 447335), (63905, 325465), (65093, 319525), (89467, 232475), (95725, 217277)]