20079968672

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{4943}}^1$

素因数の和:5110

約数の個数: 96

約数和(自身を含む): 42041244672

約数和(自身を除く): 21961276000

約数列:

[1, 2, 4, 8, 16, 32, 37, 47, 73, 74, 94, 146, 148, 188, 292, 296, 376, 584, 592, 752, 1168, 1184, 1504, 1739, 2336, 2701, 3431, 3478, 4943, 5402, 6862, 6956, 9886, 10804, 13724, 13912, 19772, 21608, 27448, 27824, 39544, 43216, 54896, 55648, 79088, 86432, 109792, 126947, 158176, 182891, 232321, 253894, 360839, 365782, 464642, 507788, 721678, 731564, 929284, 1015576, 1443356, 1463128, 1858568, 2031152, 2886712, 2926256, 3717136, 4062304, 5773424, 5852512, 7434272, 8595877, 11546848, 13351043, 16959433, 17191754, 26702086, 33918866, 34383508, 53404172, 67837732, 68767016, 106808344, 135675464, 137534032, 213616688, 271350928, 275068064, 427233376, 542701856, 627499021, 1254998042, 2509996084, 5019992168, 10039984336, 20079968672]

約数ペア:

[(1, 20079968672), (2, 10039984336), (4, 5019992168), (8, 2509996084), (16, 1254998042), (32, 627499021), (37, 542701856), (47, 427233376), (73, 275068064), (74, 271350928), (94, 213616688), (146, 137534032), (148, 135675464), (188, 106808344), (292, 68767016), (296, 67837732), (376, 53404172), (584, 34383508), (592, 33918866), (752, 26702086), (1168, 17191754), (1184, 16959433), (1504, 13351043), (1739, 11546848), (2336, 8595877), (2701, 7434272), (3431, 5852512), (3478, 5773424), (4943, 4062304), (5402, 3717136), (6862, 2926256), (6956, 2886712), (9886, 2031152), (10804, 1858568), (13724, 1463128), (13912, 1443356), (19772, 1015576), (21608, 929284), (27448, 731564), (27824, 721678), (39544, 507788), (43216, 464642), (54896, 365782), (55648, 360839), (79088, 253894), (86432, 232321), (109792, 182891), (126947, 158176)]