20657922810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{32327}}^1$

素因数の和:32540

約数の個数: 128

約数和(自身を含む): 60331806720

約数和(自身を除く): 39673883910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 179, 210, 238, 255, 357, 358, 510, 537, 595, 714, 895, 1074, 1190, 1253, 1785, 1790, 2506, 2685, 3043, 3570, 3759, 5370, 6086, 6265, 7518, 9129, 12530, 15215, 18258, 18795, 21301, 30430, 32327, 37590, 42602, 45645, 63903, 64654, 91290, 96981, 106505, 127806, 161635, 193962, 213010, 226289, 319515, 323270, 452578, 484905, 549559, 639030, 678867, 969810, 1099118, 1131445, 1357734, 1648677, 2262890, 2747795, 3297354, 3394335, 3846913, 5495590, 5786533, 6788670, 7693826, 8243385, 11540739, 11573066, 16486770, 17359599, 19234565, 23081478, 28932665, 34719198, 38469130, 40505731, 57703695, 57865330, 81011462, 86797995, 98371061, 115407390, 121517193, 173595990, 196742122, 202528655, 243034386, 295113183, 405057310, 491855305, 590226366, 607585965, 688597427, 983710610, 1215171930, 1377194854, 1475565915, 2065792281, 2951131830, 3442987135, 4131584562, 6885974270, 10328961405, 20657922810]

約数ペア:

[(1, 20657922810), (2, 10328961405), (3, 6885974270), (5, 4131584562), (6, 3442987135), (7, 2951131830), (10, 2065792281), (14, 1475565915), (15, 1377194854), (17, 1215171930), (21, 983710610), (30, 688597427), (34, 607585965), (35, 590226366), (42, 491855305), (51, 405057310), (70, 295113183), (85, 243034386), (102, 202528655), (105, 196742122), (119, 173595990), (170, 121517193), (179, 115407390), (210, 98371061), (238, 86797995), (255, 81011462), (357, 57865330), (358, 57703695), (510, 40505731), (537, 38469130), (595, 34719198), (714, 28932665), (895, 23081478), (1074, 19234565), (1190, 17359599), (1253, 16486770), (1785, 11573066), (1790, 11540739), (2506, 8243385), (2685, 7693826), (3043, 6788670), (3570, 5786533), (3759, 5495590), (5370, 3846913), (6086, 3394335), (6265, 3297354), (7518, 2747795), (9129, 2262890), (12530, 1648677), (15215, 1357734), (18258, 1131445), (18795, 1099118), (21301, 969810), (30430, 678867), (32327, 639030), (37590, 549559), (42602, 484905), (45645, 452578), (63903, 323270), (64654, 319515), (91290, 226289), (96981, 213010), (106505, 193962), (127806, 161635)]