20243555478

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{953}}^1\times {\mathrm{5701}}^1$

素因数の和:6691

約数の個数: 80

約数和(自身を含む): 47390736096

約数和(自身を除く): 27147180618

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 953, 1242, 1863, 1906, 2859, 3726, 5701, 5718, 8577, 11402, 17103, 17154, 21919, 25731, 34206, 43838, 51309, 51462, 65757, 77193, 102618, 131123, 131514, 153927, 154386, 197271, 262246, 307854, 393369, 394542, 461781, 591813, 786738, 923562, 1180107, 1183626, 1775439, 2360214, 3540321, 3550878, 5433053, 7080642, 10620963, 10866106, 16299159, 21241926, 32598318, 48897477, 97794954, 124960219, 146692431, 249920438, 293384862, 374880657, 440077293, 749761314, 880154586, 1124641971, 2249283942, 3373925913, 6747851826, 10121777739, 20243555478]

約数ペア:

[(1, 20243555478), (2, 10121777739), (3, 6747851826), (6, 3373925913), (9, 2249283942), (18, 1124641971), (23, 880154586), (27, 749761314), (46, 440077293), (54, 374880657), (69, 293384862), (81, 249920438), (138, 146692431), (162, 124960219), (207, 97794954), (414, 48897477), (621, 32598318), (953, 21241926), (1242, 16299159), (1863, 10866106), (1906, 10620963), (2859, 7080642), (3726, 5433053), (5701, 3550878), (5718, 3540321), (8577, 2360214), (11402, 1775439), (17103, 1183626), (17154, 1180107), (21919, 923562), (25731, 786738), (34206, 591813), (43838, 461781), (51309, 394542), (51462, 393369), (65757, 307854), (77193, 262246), (102618, 197271), (131123, 154386), (131514, 153927)]