20404956

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 60060672

約数和(自身を除く): 39655716

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 33, 39, 44, 46, 47, 52, 66, 69, 78, 92, 94, 121, 132, 138, 141, 143, 156, 188, 242, 253, 276, 282, 286, 299, 363, 429, 484, 506, 517, 564, 572, 598, 611, 726, 759, 858, 897, 1012, 1034, 1081, 1196, 1222, 1452, 1518, 1551, 1573, 1716, 1794, 1833, 2068, 2162, 2444, 2783, 3036, 3102, 3146, 3243, 3289, 3588, 3666, 4324, 4719, 5566, 5687, 6204, 6292, 6486, 6578, 6721, 7332, 8349, 9438, 9867, 11132, 11374, 11891, 12972, 13156, 13442, 14053, 16698, 17061, 18876, 19734, 20163, 22748, 23782, 26884, 28106, 33396, 34122, 35673, 36179, 39468, 40326, 42159, 47564, 56212, 68244, 71346, 72358, 73931, 80652, 84318, 108537, 130801, 142692, 144716, 147862, 154583, 168636, 217074, 221793, 261602, 295724, 309166, 392403, 434148, 443586, 463749, 523204, 618332, 784806, 887172, 927498, 1569612, 1700413, 1854996, 3400826, 5101239, 6801652, 10202478, 20404956]

約数ペア:

[(1, 20404956), (2, 10202478), (3, 6801652), (4, 5101239), (6, 3400826), (11, 1854996), (12, 1700413), (13, 1569612), (22, 927498), (23, 887172), (26, 784806), (33, 618332), (39, 523204), (44, 463749), (46, 443586), (47, 434148), (52, 392403), (66, 309166), (69, 295724), (78, 261602), (92, 221793), (94, 217074), (121, 168636), (132, 154583), (138, 147862), (141, 144716), (143, 142692), (156, 130801), (188, 108537), (242, 84318), (253, 80652), (276, 73931), (282, 72358), (286, 71346), (299, 68244), (363, 56212), (429, 47564), (484, 42159), (506, 40326), (517, 39468), (564, 36179), (572, 35673), (598, 34122), (611, 33396), (726, 28106), (759, 26884), (858, 23782), (897, 22748), (1012, 20163), (1034, 19734), (1081, 18876), (1196, 17061), (1222, 16698), (1452, 14053), (1518, 13442), (1551, 13156), (1573, 12972), (1716, 11891), (1794, 11374), (1833, 11132), (2068, 9867), (2162, 9438), (2444, 8349), (2783, 7332), (3036, 6721), (3102, 6578), (3146, 6486), (3243, 6292), (3289, 6204), (3588, 5687), (3666, 5566), (4324, 4719)]