20349932220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1\times {\mathrm{569}}^1$

素因数の和:1476

約数の個数: 144

約数和(自身を含む): 62114532480

約数和(自身を除く): 41764600260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 461, 569, 862, 922, 1138, 1293, 1383, 1707, 1724, 1844, 2155, 2276, 2305, 2586, 2766, 2845, 3414, 3879, 4149, 4310, 4610, 5121, 5172, 5532, 5690, 6465, 6828, 6915, 7758, 8298, 8535, 8620, 9220, 10242, 11380, 12930, 13830, 15516, 16596, 17070, 19395, 20484, 20745, 25605, 25860, 27660, 34140, 38790, 41490, 51210, 77580, 82980, 102420, 198691, 245239, 262309, 397382, 490478, 524618, 596073, 735717, 786927, 794764, 980956, 993455, 1049236, 1192146, 1226195, 1311545, 1471434, 1573854, 1788219, 1986910, 2207151, 2360781, 2384292, 2452390, 2623090, 2942868, 2980365, 3147708, 3576438, 3678585, 3934635, 3973820, 4414302, 4721562, 4904780, 5246180, 5960730, 7152876, 7357170, 7869270, 8828604, 8941095, 9443124, 11035755, 11803905, 11921460, 14714340, 15738540, 17882190, 22071510, 23607810, 35764380, 44143020, 47215620, 113055179, 226110358, 339165537, 452220716, 565275895, 678331074, 1017496611, 1130551790, 1356662148, 1695827685, 2034993222, 2261103580, 3391655370, 4069986444, 5087483055, 6783310740, 10174966110, 20349932220]

約数ペア:

[(1, 20349932220), (2, 10174966110), (3, 6783310740), (4, 5087483055), (5, 4069986444), (6, 3391655370), (9, 2261103580), (10, 2034993222), (12, 1695827685), (15, 1356662148), (18, 1130551790), (20, 1017496611), (30, 678331074), (36, 565275895), (45, 452220716), (60, 339165537), (90, 226110358), (180, 113055179), (431, 47215620), (461, 44143020), (569, 35764380), (862, 23607810), (922, 22071510), (1138, 17882190), (1293, 15738540), (1383, 14714340), (1707, 11921460), (1724, 11803905), (1844, 11035755), (2155, 9443124), (2276, 8941095), (2305, 8828604), (2586, 7869270), (2766, 7357170), (2845, 7152876), (3414, 5960730), (3879, 5246180), (4149, 4904780), (4310, 4721562), (4610, 4414302), (5121, 3973820), (5172, 3934635), (5532, 3678585), (5690, 3576438), (6465, 3147708), (6828, 2980365), (6915, 2942868), (7758, 2623090), (8298, 2452390), (8535, 2384292), (8620, 2360781), (9220, 2207151), (10242, 1986910), (11380, 1788219), (12930, 1573854), (13830, 1471434), (15516, 1311545), (16596, 1226195), (17070, 1192146), (19395, 1049236), (20484, 993455), (20745, 980956), (25605, 794764), (25860, 786927), (27660, 735717), (34140, 596073), (38790, 524618), (41490, 490478), (51210, 397382), (77580, 262309), (82980, 245239), (102420, 198691)]