20802012728

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2307233}}^1$

素因数の和:2307276

約数の個数: 48

約数和(自身を含む): 47344441680

約数和(自身を除く): 26542428952

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 4508, 9016, 2307233, 4614466, 9228932, 16150631, 18457864, 32301262, 53066359, 64602524, 106132718, 113054417, 129205048, 212265436, 226108834, 371464513, 424530872, 452217668, 742929026, 904435336, 1485858052, 2600251591, 2971716104, 5200503182, 10401006364, 20802012728]

約数ペア:

[(1, 20802012728), (2, 10401006364), (4, 5200503182), (7, 2971716104), (8, 2600251591), (14, 1485858052), (23, 904435336), (28, 742929026), (46, 452217668), (49, 424530872), (56, 371464513), (92, 226108834), (98, 212265436), (161, 129205048), (184, 113054417), (196, 106132718), (322, 64602524), (392, 53066359), (644, 32301262), (1127, 18457864), (1288, 16150631), (2254, 9228932), (4508, 4614466), (9016, 2307233)]