20716642590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{40883}}^1$

素因数の和:41046

約数の個数: 128

約数和(自身を含む): 60285911040

約数和(自身を除く): 39569268450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 127, 133, 190, 210, 254, 266, 285, 381, 399, 570, 635, 665, 762, 798, 889, 1270, 1330, 1778, 1905, 1995, 2413, 2667, 3810, 3990, 4445, 4826, 5334, 7239, 8890, 12065, 13335, 14478, 16891, 24130, 26670, 33782, 36195, 40883, 50673, 72390, 81766, 84455, 101346, 122649, 168910, 204415, 245298, 253365, 286181, 408830, 506730, 572362, 613245, 776777, 858543, 1226490, 1430905, 1553554, 1717086, 2330331, 2861810, 3883885, 4292715, 4660662, 5192141, 5437439, 7767770, 8585430, 10384282, 10874878, 11651655, 15576423, 16312317, 23303310, 25960705, 27187195, 31152846, 32624634, 36344987, 51921410, 54374390, 72689974, 77882115, 81561585, 98650679, 109034961, 155764230, 163123170, 181724935, 197301358, 218069922, 295952037, 363449870, 493253395, 545174805, 591904074, 690554753, 986506790, 1090349610, 1381109506, 1479760185, 2071664259, 2959520370, 3452773765, 4143328518, 6905547530, 10358321295, 20716642590]

約数ペア:

[(1, 20716642590), (2, 10358321295), (3, 6905547530), (5, 4143328518), (6, 3452773765), (7, 2959520370), (10, 2071664259), (14, 1479760185), (15, 1381109506), (19, 1090349610), (21, 986506790), (30, 690554753), (35, 591904074), (38, 545174805), (42, 493253395), (57, 363449870), (70, 295952037), (95, 218069922), (105, 197301358), (114, 181724935), (127, 163123170), (133, 155764230), (190, 109034961), (210, 98650679), (254, 81561585), (266, 77882115), (285, 72689974), (381, 54374390), (399, 51921410), (570, 36344987), (635, 32624634), (665, 31152846), (762, 27187195), (798, 25960705), (889, 23303310), (1270, 16312317), (1330, 15576423), (1778, 11651655), (1905, 10874878), (1995, 10384282), (2413, 8585430), (2667, 7767770), (3810, 5437439), (3990, 5192141), (4445, 4660662), (4826, 4292715), (5334, 3883885), (7239, 2861810), (8890, 2330331), (12065, 1717086), (13335, 1553554), (14478, 1430905), (16891, 1226490), (24130, 858543), (26670, 776777), (33782, 613245), (36195, 572362), (40883, 506730), (50673, 408830), (72390, 286181), (81766, 253365), (84455, 245298), (101346, 204415), (122649, 168910)]