20854728

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2707}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 57030480

約数和(自身を除く): 36175752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2707, 3852, 5414, 7704, 8121, 10828, 16242, 21656, 24363, 32484, 48726, 64968, 97452, 194904, 289649, 579298, 868947, 1158596, 1737894, 2317192, 2606841, 3475788, 5213682, 6951576, 10427364, 20854728]

約数ペア:

[(1, 20854728), (2, 10427364), (3, 6951576), (4, 5213682), (6, 3475788), (8, 2606841), (9, 2317192), (12, 1737894), (18, 1158596), (24, 868947), (36, 579298), (72, 289649), (107, 194904), (214, 97452), (321, 64968), (428, 48726), (642, 32484), (856, 24363), (963, 21656), (1284, 16242), (1926, 10828), (2568, 8121), (2707, 7704), (3852, 5414)]