20557236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 57802752

約数和(自身を除く): 37245516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 47, 82, 84, 94, 123, 127, 141, 164, 188, 246, 254, 282, 287, 329, 381, 492, 508, 564, 574, 658, 762, 861, 889, 987, 1148, 1316, 1524, 1722, 1778, 1927, 1974, 2667, 3444, 3556, 3854, 3948, 5207, 5334, 5781, 5969, 7708, 10414, 10668, 11562, 11938, 13489, 15621, 17907, 20828, 23124, 23876, 26978, 31242, 35814, 36449, 40467, 41783, 53956, 62484, 71628, 72898, 80934, 83566, 109347, 125349, 145796, 161868, 167132, 218694, 244729, 250698, 437388, 489458, 501396, 734187, 978916, 1468374, 1713103, 2936748, 3426206, 5139309, 6852412, 10278618, 20557236]

約数ペア:

[(1, 20557236), (2, 10278618), (3, 6852412), (4, 5139309), (6, 3426206), (7, 2936748), (12, 1713103), (14, 1468374), (21, 978916), (28, 734187), (41, 501396), (42, 489458), (47, 437388), (82, 250698), (84, 244729), (94, 218694), (123, 167132), (127, 161868), (141, 145796), (164, 125349), (188, 109347), (246, 83566), (254, 80934), (282, 72898), (287, 71628), (329, 62484), (381, 53956), (492, 41783), (508, 40467), (564, 36449), (574, 35814), (658, 31242), (762, 26978), (861, 23876), (889, 23124), (987, 20828), (1148, 17907), (1316, 15621), (1524, 13489), (1722, 11938), (1778, 11562), (1927, 10668), (1974, 10414), (2667, 7708), (3444, 5969), (3556, 5781), (3854, 5334), (3948, 5207)]