20186894944

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1544

約数の個数: 96

約数和(自身を含む): 41357977920

約数和(自身を除く): 21171082976

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 113, 122, 142, 226, 244, 284, 452, 488, 568, 904, 976, 1136, 1289, 1808, 1952, 2272, 2578, 3616, 4331, 5156, 6893, 8023, 8662, 10312, 13786, 16046, 17324, 20624, 27572, 32092, 34648, 41248, 55144, 64184, 69296, 78629, 91519, 110288, 128368, 138592, 145657, 157258, 183038, 220576, 256736, 291314, 314516, 366076, 489403, 582628, 629032, 732152, 978806, 1165256, 1258064, 1464304, 1957612, 2330512, 2516128, 2928608, 3915224, 4661024, 5582659, 7830448, 8885077, 10341647, 11165318, 15660896, 17770154, 20683294, 22330636, 35540308, 41366588, 44661272, 71080616, 82733176, 89322544, 142161232, 165466352, 178645088, 284322464, 330932704, 630840467, 1261680934, 2523361868, 5046723736, 10093447472, 20186894944]

約数ペア:

[(1, 20186894944), (2, 10093447472), (4, 5046723736), (8, 2523361868), (16, 1261680934), (32, 630840467), (61, 330932704), (71, 284322464), (113, 178645088), (122, 165466352), (142, 142161232), (226, 89322544), (244, 82733176), (284, 71080616), (452, 44661272), (488, 41366588), (568, 35540308), (904, 22330636), (976, 20683294), (1136, 17770154), (1289, 15660896), (1808, 11165318), (1952, 10341647), (2272, 8885077), (2578, 7830448), (3616, 5582659), (4331, 4661024), (5156, 3915224), (6893, 2928608), (8023, 2516128), (8662, 2330512), (10312, 1957612), (13786, 1464304), (16046, 1258064), (17324, 1165256), (20624, 978806), (27572, 732152), (32092, 629032), (34648, 582628), (41248, 489403), (55144, 366076), (64184, 314516), (69296, 291314), (78629, 256736), (91519, 220576), (110288, 183038), (128368, 157258), (138592, 145657)]