20656350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 46839330

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 25, 26, 27, 30, 33, 39, 45, 50, 54, 55, 65, 66, 75, 78, 90, 99, 107, 110, 117, 130, 135, 143, 150, 165, 195, 198, 214, 225, 234, 270, 275, 286, 297, 321, 325, 330, 351, 390, 429, 450, 495, 535, 550, 585, 594, 642, 650, 675, 702, 715, 825, 858, 963, 975, 990, 1070, 1170, 1177, 1287, 1350, 1391, 1430, 1485, 1605, 1650, 1755, 1926, 1950, 2145, 2354, 2475, 2574, 2675, 2782, 2889, 2925, 2970, 3210, 3510, 3531, 3575, 3861, 4173, 4290, 4815, 4950, 5350, 5778, 5850, 5885, 6435, 6955, 7062, 7150, 7425, 7722, 8025, 8346, 8775, 9630, 10593, 10725, 11770, 12519, 12870, 13910, 14445, 14850, 15301, 16050, 17550, 17655, 19305, 20865, 21186, 21450, 24075, 25038, 28890, 29425, 30602, 31779, 32175, 34775, 35310, 37557, 38610, 41730, 45903, 48150, 52965, 58850, 62595, 63558, 64350, 69550, 72225, 75114, 76505, 88275, 91806, 96525, 104325, 105930, 125190, 137709, 144450, 153010, 158895, 176550, 187785, 193050, 208650, 229515, 264825, 275418, 312975, 317790, 375570, 382525, 413127, 459030, 529650, 625950, 688545, 765050, 794475, 826254, 938925, 1147575, 1377090, 1588950, 1877850, 2065635, 2295150, 3442725, 4131270, 6885450, 10328175, 20656350]

約数ペア:

[(1, 20656350), (2, 10328175), (3, 6885450), (5, 4131270), (6, 3442725), (9, 2295150), (10, 2065635), (11, 1877850), (13, 1588950), (15, 1377090), (18, 1147575), (22, 938925), (25, 826254), (26, 794475), (27, 765050), (30, 688545), (33, 625950), (39, 529650), (45, 459030), (50, 413127), (54, 382525), (55, 375570), (65, 317790), (66, 312975), (75, 275418), (78, 264825), (90, 229515), (99, 208650), (107, 193050), (110, 187785), (117, 176550), (130, 158895), (135, 153010), (143, 144450), (150, 137709), (165, 125190), (195, 105930), (198, 104325), (214, 96525), (225, 91806), (234, 88275), (270, 76505), (275, 75114), (286, 72225), (297, 69550), (321, 64350), (325, 63558), (330, 62595), (351, 58850), (390, 52965), (429, 48150), (450, 45903), (495, 41730), (535, 38610), (550, 37557), (585, 35310), (594, 34775), (642, 32175), (650, 31779), (675, 30602), (702, 29425), (715, 28890), (825, 25038), (858, 24075), (963, 21450), (975, 21186), (990, 20865), (1070, 19305), (1170, 17655), (1177, 17550), (1287, 16050), (1350, 15301), (1391, 14850), (1430, 14445), (1485, 13910), (1605, 12870), (1650, 12519), (1755, 11770), (1926, 10725), (1950, 10593), (2145, 9630), (2354, 8775), (2475, 8346), (2574, 8025), (2675, 7722), (2782, 7425), (2889, 7150), (2925, 7062), (2970, 6955), (3210, 6435), (3510, 5885), (3531, 5850), (3575, 5778), (3861, 5350), (4173, 4950), (4290, 4815)]