20782300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2699}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 56246400

約数和(自身を除く): 35464100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2699, 3850, 5398, 7700, 10796, 13495, 18893, 26990, 29689, 37786, 53980, 59378, 67475, 75572, 94465, 118756, 134950, 148445, 188930, 207823, 269900, 296890, 377860, 415646, 472325, 593780, 742225, 831292, 944650, 1039115, 1484450, 1889300, 2078230, 2968900, 4156460, 5195575, 10391150, 20782300]

約数ペア:

[(1, 20782300), (2, 10391150), (4, 5195575), (5, 4156460), (7, 2968900), (10, 2078230), (11, 1889300), (14, 1484450), (20, 1039115), (22, 944650), (25, 831292), (28, 742225), (35, 593780), (44, 472325), (50, 415646), (55, 377860), (70, 296890), (77, 269900), (100, 207823), (110, 188930), (140, 148445), (154, 134950), (175, 118756), (220, 94465), (275, 75572), (308, 67475), (350, 59378), (385, 53980), (550, 37786), (700, 29689), (770, 26990), (1100, 18893), (1540, 13495), (1925, 10796), (2699, 7700), (3850, 5398)]