20165965028

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{1117}}^1\times {\mathrm{3391}}^1$

素因数の和:4545

約数の個数: 48

約数和(自身を含む): 38863039488

約数和(自身を除く): 18697074460

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1117, 1331, 2234, 2662, 3391, 4468, 5324, 6782, 12287, 13564, 24574, 37301, 49148, 74602, 135157, 149204, 270314, 410311, 540628, 820622, 1486727, 1641244, 2973454, 3787747, 4513421, 5946908, 7575494, 9026842, 15150988, 18053684, 41665217, 83330434, 166660868, 458317387, 916634774, 1833269548, 5041491257, 10082982514, 20165965028]

約数ペア:

[(1, 20165965028), (2, 10082982514), (4, 5041491257), (11, 1833269548), (22, 916634774), (44, 458317387), (121, 166660868), (242, 83330434), (484, 41665217), (1117, 18053684), (1331, 15150988), (2234, 9026842), (2662, 7575494), (3391, 5946908), (4468, 4513421), (5324, 3787747), (6782, 2973454), (12287, 1641244), (13564, 1486727), (24574, 820622), (37301, 540628), (49148, 410311), (74602, 270314), (135157, 149204)]