20689659315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{49603}}^1$

素因数の和:49681

約数の個数: 96

約数和(自身を含む): 41600692224

約数和(自身を除く): 20911032909

約数列:

[1, 3, 5, 9, 13, 15, 23, 31, 39, 45, 65, 69, 93, 115, 117, 155, 195, 207, 279, 299, 345, 403, 465, 585, 713, 897, 1035, 1209, 1395, 1495, 2015, 2139, 2691, 3565, 3627, 4485, 6045, 6417, 9269, 10695, 13455, 18135, 27807, 32085, 46345, 49603, 83421, 139035, 148809, 248015, 417105, 446427, 644839, 744045, 1140869, 1537693, 1934517, 2232135, 3224195, 3422607, 4613079, 5704345, 5803551, 7688465, 9672585, 10267821, 13839237, 14831297, 17113035, 19990009, 23065395, 29017755, 35366939, 44493891, 51339105, 59970027, 69196185, 74156485, 99950045, 106100817, 133481673, 176834695, 179910081, 222469455, 299850135, 318302451, 459770207, 530504085, 667408365, 899550405, 1379310621, 1591512255, 2298851035, 4137931863, 6896553105, 20689659315]

約数ペア:

[(1, 20689659315), (3, 6896553105), (5, 4137931863), (9, 2298851035), (13, 1591512255), (15, 1379310621), (23, 899550405), (31, 667408365), (39, 530504085), (45, 459770207), (65, 318302451), (69, 299850135), (93, 222469455), (115, 179910081), (117, 176834695), (155, 133481673), (195, 106100817), (207, 99950045), (279, 74156485), (299, 69196185), (345, 59970027), (403, 51339105), (465, 44493891), (585, 35366939), (713, 29017755), (897, 23065395), (1035, 19990009), (1209, 17113035), (1395, 14831297), (1495, 13839237), (2015, 10267821), (2139, 9672585), (2691, 7688465), (3565, 5803551), (3627, 5704345), (4485, 4613079), (6045, 3422607), (6417, 3224195), (9269, 2232135), (10695, 1934517), (13455, 1537693), (18135, 1140869), (27807, 744045), (32085, 644839), (46345, 446427), (49603, 417105), (83421, 248015), (139035, 148809)]