20675300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 47246976

約数和(自身を除く): 26571676

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 53, 83, 94, 100, 106, 166, 188, 212, 235, 265, 332, 415, 470, 530, 830, 940, 1060, 1175, 1325, 1660, 2075, 2350, 2491, 2650, 3901, 4150, 4399, 4700, 4982, 5300, 7802, 8300, 8798, 9964, 12455, 15604, 17596, 19505, 21995, 24910, 39010, 43990, 49820, 62275, 78020, 87980, 97525, 109975, 124550, 195050, 206753, 219950, 249100, 390100, 413506, 439900, 827012, 1033765, 2067530, 4135060, 5168825, 10337650, 20675300]

約数ペア:

[(1, 20675300), (2, 10337650), (4, 5168825), (5, 4135060), (10, 2067530), (20, 1033765), (25, 827012), (47, 439900), (50, 413506), (53, 390100), (83, 249100), (94, 219950), (100, 206753), (106, 195050), (166, 124550), (188, 109975), (212, 97525), (235, 87980), (265, 78020), (332, 62275), (415, 49820), (470, 43990), (530, 39010), (830, 24910), (940, 21995), (1060, 19505), (1175, 17596), (1325, 15604), (1660, 12455), (2075, 9964), (2350, 8798), (2491, 8300), (2650, 7802), (3901, 5300), (4150, 4982), (4399, 4700)]