20612100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 60218368

約数和(自身を除く): 39606268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 541, 635, 762, 1082, 1270, 1524, 1623, 1905, 2164, 2540, 2705, 3175, 3246, 3810, 5410, 6350, 6492, 7620, 8115, 9525, 10820, 12700, 13525, 16230, 19050, 27050, 32460, 38100, 40575, 54100, 68707, 81150, 137414, 162300, 206121, 274828, 343535, 412242, 687070, 824484, 1030605, 1374140, 1717675, 2061210, 3435350, 4122420, 5153025, 6870700, 10306050, 20612100]

約数ペア:

[(1, 20612100), (2, 10306050), (3, 6870700), (4, 5153025), (5, 4122420), (6, 3435350), (10, 2061210), (12, 1717675), (15, 1374140), (20, 1030605), (25, 824484), (30, 687070), (50, 412242), (60, 343535), (75, 274828), (100, 206121), (127, 162300), (150, 137414), (254, 81150), (300, 68707), (381, 54100), (508, 40575), (541, 38100), (635, 32460), (762, 27050), (1082, 19050), (1270, 16230), (1524, 13525), (1623, 12700), (1905, 10820), (2164, 9525), (2540, 8115), (2705, 7620), (3175, 6492), (3246, 6350), (3810, 5410)]