20908778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50021}}^1$

素因数の和:50053

約数の個数: 16

約数和(自身を含む): 36015840

約数和(自身を除く): 15107062

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50021, 100042, 550231, 950399, 1100462, 1900798, 10454389, 20908778]

約数ペア:

[(1, 20908778), (2, 10454389), (11, 1900798), (19, 1100462), (22, 950399), (38, 550231), (209, 100042), (418, 50021)]