20543368

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 40426200

約数和(自身を除く): 19882832

約数列:

[1, 2, 4, 8, 29, 58, 73, 116, 146, 232, 292, 584, 1213, 2117, 2426, 4234, 4852, 8468, 9704, 16936, 35177, 70354, 88549, 140708, 177098, 281416, 354196, 708392, 2567921, 5135842, 10271684, 20543368]

約数ペア:

[(1, 20543368), (2, 10271684), (4, 5135842), (8, 2567921), (29, 708392), (58, 354196), (73, 281416), (116, 177098), (146, 140708), (232, 88549), (292, 70354), (584, 35177), (1213, 16936), (2117, 9704), (2426, 8468), (4234, 4852)]