20818376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136963}}^1$

素因数の和:136988

約数の個数: 16

約数和(自身を含む): 41089200

約数和(自身を除く): 20270824

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136963, 273926, 547852, 1095704, 2602297, 5204594, 10409188, 20818376]

約数ペア:

[(1, 20818376), (2, 10409188), (4, 5204594), (8, 2602297), (19, 1095704), (38, 547852), (76, 273926), (152, 136963)]