820339972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263267}}^1$

素因数の和:263331

約数の個数: 24

約数和(自身を含む): 1548015840

約数和(自身を除く): 727675868

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 263267, 526534, 1053068, 5002073, 10004146, 10793947, 20008292, 21587894, 43175788, 205084993, 410169986, 820339972]

約数ペア:

[(1, 820339972), (2, 410169986), (4, 205084993), (19, 43175788), (38, 21587894), (41, 20008292), (76, 10793947), (82, 10004146), (164, 5002073), (779, 1053068), (1558, 526534), (3116, 263267)]