20333572

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 44007040

約数和(自身を除く): 23673468

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1033, 1036, 1406, 2066, 2812, 4132, 4921, 7231, 9842, 14462, 19627, 19684, 28924, 38221, 39254, 76442, 78508, 137389, 152884, 267547, 274778, 535094, 549556, 726199, 1070188, 1452398, 2904796, 5083393, 10166786, 20333572]

約数ペア:

[(1, 20333572), (2, 10166786), (4, 5083393), (7, 2904796), (14, 1452398), (19, 1070188), (28, 726199), (37, 549556), (38, 535094), (74, 274778), (76, 267547), (133, 152884), (148, 137389), (259, 78508), (266, 76442), (518, 39254), (532, 38221), (703, 28924), (1033, 19684), (1036, 19627), (1406, 14462), (2066, 9842), (2812, 7231), (4132, 4921)]