20570700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 59996160

約数和(自身を除く): 39425460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 191, 300, 359, 382, 573, 718, 764, 955, 1077, 1146, 1436, 1795, 1910, 2154, 2292, 2865, 3590, 3820, 4308, 4775, 5385, 5730, 7180, 8975, 9550, 10770, 11460, 14325, 17950, 19100, 21540, 26925, 28650, 35900, 53850, 57300, 68569, 107700, 137138, 205707, 274276, 342845, 411414, 685690, 822828, 1028535, 1371380, 1714225, 2057070, 3428450, 4114140, 5142675, 6856900, 10285350, 20570700]

約数ペア:

[(1, 20570700), (2, 10285350), (3, 6856900), (4, 5142675), (5, 4114140), (6, 3428450), (10, 2057070), (12, 1714225), (15, 1371380), (20, 1028535), (25, 822828), (30, 685690), (50, 411414), (60, 342845), (75, 274276), (100, 205707), (150, 137138), (191, 107700), (300, 68569), (359, 57300), (382, 53850), (573, 35900), (718, 28650), (764, 26925), (955, 21540), (1077, 19100), (1146, 17950), (1436, 14325), (1795, 11460), (1910, 10770), (2154, 9550), (2292, 8975), (2865, 7180), (3590, 5730), (3820, 5385), (4308, 4775)]