20485736

素因数分解:

$2^3\times {\mathrm{977}}^1\times {\mathrm{2621}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 38464740

約数和(自身を除く): 17979004

約数列:

[1, 2, 4, 8, 977, 1954, 2621, 3908, 5242, 7816, 10484, 20968, 2560717, 5121434, 10242868, 20485736]

約数ペア:

[(1, 20485736), (2, 10242868), (4, 5121434), (8, 2560717), (977, 20968), (1954, 10484), (2621, 7816), (3908, 5242)]