20605740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7307}}^1$

素因数の和:7366

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 38325972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7307, 14614, 21921, 29228, 36535, 43842, 73070, 87684, 109605, 146140, 219210, 343429, 438420, 686858, 1030287, 1373716, 1717145, 2060574, 3434290, 4121148, 5151435, 6868580, 10302870, 20605740]

約数ペア:

[(1, 20605740), (2, 10302870), (3, 6868580), (4, 5151435), (5, 4121148), (6, 3434290), (10, 2060574), (12, 1717145), (15, 1373716), (20, 1030287), (30, 686858), (47, 438420), (60, 343429), (94, 219210), (141, 146140), (188, 109605), (235, 87684), (282, 73070), (470, 43842), (564, 36535), (705, 29228), (940, 21921), (1410, 14614), (2820, 7307)]