20550453

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 35458560

約数和(自身を除く): 14908107

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 147, 179, 213, 231, 497, 537, 539, 781, 1253, 1491, 1617, 1969, 2343, 3479, 3759, 5467, 5907, 8771, 10437, 12709, 13783, 16401, 26313, 38127, 38269, 41349, 88963, 96481, 114807, 139799, 266889, 289443, 419397, 622741, 978593, 1868223, 2935779, 6850151, 20550453]

約数ペア:

[(1, 20550453), (3, 6850151), (7, 2935779), (11, 1868223), (21, 978593), (33, 622741), (49, 419397), (71, 289443), (77, 266889), (147, 139799), (179, 114807), (213, 96481), (231, 88963), (497, 41349), (537, 38269), (539, 38127), (781, 26313), (1253, 16401), (1491, 13783), (1617, 12709), (1969, 10437), (2343, 8771), (3479, 5907), (3759, 5467)]