20399397360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{22129}}^1$

素因数の和:22335

約数の個数: 160

約数和(自身を含む): 66385751040

約数和(自身を除く): 45986353680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 167, 184, 230, 240, 276, 334, 345, 368, 460, 501, 552, 668, 690, 835, 920, 1002, 1104, 1336, 1380, 1670, 1840, 2004, 2505, 2672, 2760, 3340, 3841, 4008, 5010, 5520, 6680, 7682, 8016, 10020, 11523, 13360, 15364, 19205, 20040, 22129, 23046, 30728, 38410, 40080, 44258, 46092, 57615, 61456, 66387, 76820, 88516, 92184, 110645, 115230, 132774, 153640, 177032, 184368, 221290, 230460, 265548, 307280, 331935, 354064, 442580, 460920, 508967, 531096, 663870, 885160, 921840, 1017934, 1062192, 1327740, 1526901, 1770320, 2035868, 2544835, 2655480, 3053802, 3695543, 4071736, 5089670, 5310960, 6107604, 7391086, 7634505, 8143472, 10179340, 11086629, 12215208, 14782172, 15269010, 18477715, 20358680, 22173258, 24430416, 29564344, 30538020, 36955430, 40717360, 44346516, 55433145, 59128688, 61076040, 73910860, 84997489, 88693032, 110866290, 122152080, 147821720, 169994978, 177386064, 221732580, 254992467, 295643440, 339989956, 424987445, 443465160, 509984934, 679979912, 849974890, 886930320, 1019969868, 1274962335, 1359959824, 1699949780, 2039939736, 2549924670, 3399899560, 4079879472, 5099849340, 6799799120, 10199698680, 20399397360]

約数ペア:

[(1, 20399397360), (2, 10199698680), (3, 6799799120), (4, 5099849340), (5, 4079879472), (6, 3399899560), (8, 2549924670), (10, 2039939736), (12, 1699949780), (15, 1359959824), (16, 1274962335), (20, 1019969868), (23, 886930320), (24, 849974890), (30, 679979912), (40, 509984934), (46, 443465160), (48, 424987445), (60, 339989956), (69, 295643440), (80, 254992467), (92, 221732580), (115, 177386064), (120, 169994978), (138, 147821720), (167, 122152080), (184, 110866290), (230, 88693032), (240, 84997489), (276, 73910860), (334, 61076040), (345, 59128688), (368, 55433145), (460, 44346516), (501, 40717360), (552, 36955430), (668, 30538020), (690, 29564344), (835, 24430416), (920, 22173258), (1002, 20358680), (1104, 18477715), (1336, 15269010), (1380, 14782172), (1670, 12215208), (1840, 11086629), (2004, 10179340), (2505, 8143472), (2672, 7634505), (2760, 7391086), (3340, 6107604), (3841, 5310960), (4008, 5089670), (5010, 4071736), (5520, 3695543), (6680, 3053802), (7682, 2655480), (8016, 2544835), (10020, 2035868), (11523, 1770320), (13360, 1526901), (15364, 1327740), (19205, 1062192), (20040, 1017934), (22129, 921840), (23046, 885160), (30728, 663870), (38410, 531096), (40080, 508967), (44258, 460920), (46092, 442580), (57615, 354064), (61456, 331935), (66387, 307280), (76820, 265548), (88516, 230460), (92184, 221290), (110645, 184368), (115230, 177032), (132774, 153640)]