20772814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 13499186

約数列:

[1, 2, 19, 38, 41, 67, 82, 134, 199, 398, 779, 1273, 1558, 2546, 2747, 3781, 5494, 7562, 8159, 13333, 16318, 26666, 52193, 104386, 155021, 253327, 310042, 506654, 546653, 1093306, 10386407, 20772814]

約数ペア:

[(1, 20772814), (2, 10386407), (19, 1093306), (38, 546653), (41, 506654), (67, 310042), (82, 253327), (134, 155021), (199, 104386), (398, 52193), (779, 26666), (1273, 16318), (1558, 13333), (2546, 8159), (2747, 7562), (3781, 5494)]