20881346

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:889

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 10991614

約数列:

[1, 2, 101, 167, 202, 334, 619, 1238, 16867, 33734, 62519, 103373, 125038, 206746, 10440673, 20881346]

約数ペア:

[(1, 20881346), (2, 10440673), (101, 206746), (167, 125038), (202, 103373), (334, 62519), (619, 33734), (1238, 16867)]