20910868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25013}}^1$

素因数の和:25047

約数の個数: 24

約数和(自身を含む): 42023520

約数和(自身を除く): 21112652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25013, 50026, 100052, 275143, 475247, 550286, 950494, 1100572, 1900988, 5227717, 10455434, 20910868]

約数ペア:

[(1, 20910868), (2, 10455434), (4, 5227717), (11, 1900988), (19, 1100572), (22, 950494), (38, 550286), (44, 475247), (76, 275143), (209, 100052), (418, 50026), (836, 25013)]