20669170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18107150

約数列:

[1, 2, 5, 10, 29, 58, 145, 263, 271, 290, 526, 542, 1315, 1355, 2630, 2710, 7627, 7859, 15254, 15718, 38135, 39295, 71273, 76270, 78590, 142546, 356365, 712730, 2066917, 4133834, 10334585, 20669170]

約数ペア:

[(1, 20669170), (2, 10334585), (5, 4133834), (10, 2066917), (29, 712730), (58, 356365), (145, 142546), (263, 78590), (271, 76270), (290, 71273), (526, 39295), (542, 38135), (1315, 15718), (1355, 15254), (2630, 7859), (2710, 7627)]