20123123784

素因数分解:

$2^3\times 3^1\times {\mathrm{821}}^1\times {\mathrm{1021271}}^1$

素因数の和:1022101

約数の個数: 32

約数和(自身を含む): 50369135040

約数和(自身を除く): 30246011256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 821, 1642, 2463, 3284, 4926, 6568, 9852, 19704, 1021271, 2042542, 3063813, 4085084, 6127626, 8170168, 12255252, 24510504, 838463491, 1676926982, 2515390473, 3353853964, 5030780946, 6707707928, 10061561892, 20123123784]

約数ペア:

[(1, 20123123784), (2, 10061561892), (3, 6707707928), (4, 5030780946), (6, 3353853964), (8, 2515390473), (12, 1676926982), (24, 838463491), (821, 24510504), (1642, 12255252), (2463, 8170168), (3284, 6127626), (4926, 4085084), (6568, 3063813), (9852, 2042542), (19704, 1021271)]