20924820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16607}}^1$

素因数の和:16629

約数の個数: 72

約数和(自身を含む): 72543744

約数和(自身を除く): 51618924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16607, 33214, 49821, 66428, 83035, 99642, 116249, 149463, 166070, 199284, 232498, 249105, 298926, 332140, 348747, 464996, 498210, 581245, 597852, 697494, 747315, 996420, 1046241, 1162490, 1394988, 1494630, 1743735, 2092482, 2324980, 2989260, 3487470, 4184964, 5231205, 6974940, 10462410, 20924820]

約数ペア:

[(1, 20924820), (2, 10462410), (3, 6974940), (4, 5231205), (5, 4184964), (6, 3487470), (7, 2989260), (9, 2324980), (10, 2092482), (12, 1743735), (14, 1494630), (15, 1394988), (18, 1162490), (20, 1046241), (21, 996420), (28, 747315), (30, 697494), (35, 597852), (36, 581245), (42, 498210), (45, 464996), (60, 348747), (63, 332140), (70, 298926), (84, 249105), (90, 232498), (105, 199284), (126, 166070), (140, 149463), (180, 116249), (210, 99642), (252, 83035), (315, 66428), (420, 49821), (630, 33214), (1260, 16607)]