20731800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 65062800

約数和(自身を除く): 44331000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 109, 120, 150, 200, 218, 300, 317, 327, 436, 545, 600, 634, 654, 872, 951, 1090, 1268, 1308, 1585, 1635, 1902, 2180, 2536, 2616, 2725, 3170, 3270, 3804, 4360, 4755, 5450, 6340, 6540, 7608, 7925, 8175, 9510, 10900, 12680, 13080, 15850, 16350, 19020, 21800, 23775, 31700, 32700, 34553, 38040, 47550, 63400, 65400, 69106, 95100, 103659, 138212, 172765, 190200, 207318, 276424, 345530, 414636, 518295, 691060, 829272, 863825, 1036590, 1382120, 1727650, 2073180, 2591475, 3455300, 4146360, 5182950, 6910600, 10365900, 20731800]

約数ペア:

[(1, 20731800), (2, 10365900), (3, 6910600), (4, 5182950), (5, 4146360), (6, 3455300), (8, 2591475), (10, 2073180), (12, 1727650), (15, 1382120), (20, 1036590), (24, 863825), (25, 829272), (30, 691060), (40, 518295), (50, 414636), (60, 345530), (75, 276424), (100, 207318), (109, 190200), (120, 172765), (150, 138212), (200, 103659), (218, 95100), (300, 69106), (317, 65400), (327, 63400), (436, 47550), (545, 38040), (600, 34553), (634, 32700), (654, 31700), (872, 23775), (951, 21800), (1090, 19020), (1268, 16350), (1308, 15850), (1585, 13080), (1635, 12680), (1902, 10900), (2180, 9510), (2536, 8175), (2616, 7925), (2725, 7608), (3170, 6540), (3270, 6340), (3804, 5450), (4360, 4755)]