20199643149

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{133949}}^1$

素因数の和:134169

約数の個数: 32

約数和(自身を含む): 31685068800

約数和(自身を除く): 11485425651

約数列:

[1, 3, 7, 21, 43, 129, 167, 301, 501, 903, 1169, 3507, 7181, 21543, 50267, 133949, 150801, 401847, 937643, 2812929, 5759807, 17279421, 22369483, 40318649, 67108449, 120955947, 156586381, 469759143, 961887769, 2885663307, 6733214383, 20199643149]

約数ペア:

[(1, 20199643149), (3, 6733214383), (7, 2885663307), (21, 961887769), (43, 469759143), (129, 156586381), (167, 120955947), (301, 67108449), (501, 40318649), (903, 22369483), (1169, 17279421), (3507, 5759807), (7181, 2812929), (21543, 937643), (50267, 401847), (133949, 150801)]