20697776

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10691}}^1$

素因数の和:10721

約数の個数: 30

約数和(自身を含む): 44083116

約数和(自身を除く): 23385340

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10691, 21382, 42764, 85528, 117601, 171056, 235202, 470404, 940808, 1293611, 1881616, 2587222, 5174444, 10348888, 20697776]

約数ペア:

[(1, 20697776), (2, 10348888), (4, 5174444), (8, 2587222), (11, 1881616), (16, 1293611), (22, 940808), (44, 470404), (88, 235202), (121, 171056), (176, 117601), (242, 85528), (484, 42764), (968, 21382), (1936, 10691)]