20528027955

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{709}}^1\times {\mathrm{4261}}^1$

素因数の和:5132

約数の個数: 48

約数和(自身を含む): 35876493120

約数和(自身を除く): 15348465165

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 709, 755, 1359, 2127, 2265, 3545, 4261, 6381, 6795, 10635, 12783, 21305, 31905, 38349, 63915, 107059, 191745, 321177, 535295, 643411, 963531, 1605885, 1930233, 3021049, 3217055, 4817655, 5790699, 9063147, 9651165, 15105245, 27189441, 28953495, 45315735, 135947205, 456178399, 1368535197, 2280891995, 4105605591, 6842675985, 20528027955]

約数ペア:

[(1, 20528027955), (3, 6842675985), (5, 4105605591), (9, 2280891995), (15, 1368535197), (45, 456178399), (151, 135947205), (453, 45315735), (709, 28953495), (755, 27189441), (1359, 15105245), (2127, 9651165), (2265, 9063147), (3545, 5790699), (4261, 4817655), (6381, 3217055), (6795, 3021049), (10635, 1930233), (12783, 1605885), (21305, 963531), (31905, 643411), (38349, 535295), (63915, 321177), (107059, 191745)]