20147155396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 38768768640

約数和(自身を除く): 18621613244

約数列:

[1, 2, 4, 17, 34, 61, 68, 83, 122, 139, 166, 244, 278, 332, 421, 556, 842, 1037, 1411, 1684, 2074, 2363, 2822, 4148, 4726, 5063, 5644, 7157, 8479, 9452, 10126, 11537, 14314, 16958, 20252, 23074, 25681, 28628, 33916, 34943, 46148, 51362, 58519, 69886, 86071, 102724, 117038, 139772, 144143, 172142, 196129, 234076, 288286, 344284, 392258, 436577, 576572, 594031, 703757, 784516, 873154, 994823, 1188062, 1407514, 1746308, 1989646, 2131523, 2376124, 2815028, 3569659, 3979292, 4263046, 4857077, 7139318, 8526092, 9714154, 11963869, 14278636, 19428308, 23927738, 36235891, 47855476, 60684203, 72471782, 82570309, 121368406, 144943564, 165140618, 242736812, 296281697, 330281236, 592563394, 1185126788, 5036788849, 10073577698, 20147155396]

約数ペア:

[(1, 20147155396), (2, 10073577698), (4, 5036788849), (17, 1185126788), (34, 592563394), (61, 330281236), (68, 296281697), (83, 242736812), (122, 165140618), (139, 144943564), (166, 121368406), (244, 82570309), (278, 72471782), (332, 60684203), (421, 47855476), (556, 36235891), (842, 23927738), (1037, 19428308), (1411, 14278636), (1684, 11963869), (2074, 9714154), (2363, 8526092), (2822, 7139318), (4148, 4857077), (4726, 4263046), (5063, 3979292), (5644, 3569659), (7157, 2815028), (8479, 2376124), (9452, 2131523), (10126, 1989646), (11537, 1746308), (14314, 1407514), (16958, 1188062), (20252, 994823), (23074, 873154), (25681, 784516), (28628, 703757), (33916, 594031), (34943, 576572), (46148, 436577), (51362, 392258), (58519, 344284), (69886, 288286), (86071, 234076), (102724, 196129), (117038, 172142), (139772, 144143)]