20845272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 60088320

約数和(自身を除く): 39243048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 977, 1016, 1524, 1778, 1954, 2667, 2931, 3048, 3556, 3908, 5334, 5862, 6839, 7112, 7816, 10668, 11724, 13678, 20517, 21336, 23448, 27356, 41034, 54712, 82068, 124079, 164136, 248158, 372237, 496316, 744474, 868553, 992632, 1488948, 1737106, 2605659, 2977896, 3474212, 5211318, 6948424, 10422636, 20845272]

約数ペア:

[(1, 20845272), (2, 10422636), (3, 6948424), (4, 5211318), (6, 3474212), (7, 2977896), (8, 2605659), (12, 1737106), (14, 1488948), (21, 992632), (24, 868553), (28, 744474), (42, 496316), (56, 372237), (84, 248158), (127, 164136), (168, 124079), (254, 82068), (381, 54712), (508, 41034), (762, 27356), (889, 23448), (977, 21336), (1016, 20517), (1524, 13678), (1778, 11724), (1954, 10668), (2667, 7816), (2931, 7112), (3048, 6839), (3556, 5862), (3908, 5334)]