20159408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1949

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22025392

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 1889, 2668, 3778, 5336, 7556, 10672, 15112, 30224, 43447, 54781, 86894, 109562, 173788, 219124, 347576, 438248, 695152, 876496, 1259963, 2519926, 5039852, 10079704, 20159408]

約数ペア:

[(1, 20159408), (2, 10079704), (4, 5039852), (8, 2519926), (16, 1259963), (23, 876496), (29, 695152), (46, 438248), (58, 347576), (92, 219124), (116, 173788), (184, 109562), (232, 86894), (368, 54781), (464, 43447), (667, 30224), (1334, 15112), (1889, 10672), (2668, 7556), (3778, 5336)]