2020204760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{153511}}^1$

素因数の和:153576

約数の個数: 64

約数和(自身を含む): 5305374720

約数和(自身を除く): 3285169960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 153511, 307022, 614044, 767555, 1074577, 1228088, 1535110, 2149154, 3070220, 4298308, 5372885, 6140440, 7215017, 8596616, 10745770, 14430034, 21491540, 28860068, 36075085, 42983080, 50505119, 57720136, 72150170, 101010238, 144300340, 202020476, 252525595, 288600680, 404040952, 505051190, 1010102380, 2020204760]

約数ペア:

[(1, 2020204760), (2, 1010102380), (4, 505051190), (5, 404040952), (7, 288600680), (8, 252525595), (10, 202020476), (14, 144300340), (20, 101010238), (28, 72150170), (35, 57720136), (40, 50505119), (47, 42983080), (56, 36075085), (70, 28860068), (94, 21491540), (140, 14430034), (188, 10745770), (235, 8596616), (280, 7215017), (329, 6140440), (376, 5372885), (470, 4298308), (658, 3070220), (940, 2149154), (1316, 1535110), (1645, 1228088), (1880, 1074577), (2632, 767555), (3290, 614044), (6580, 307022), (13160, 153511)]