20976142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6073}}^1$

素因数の和:6243

約数の個数: 16

約数和(自身を含む): 34548912

約数和(自身を除く): 13572770

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6073, 12146, 66803, 133606, 953461, 1906922, 10488071, 20976142]

約数ペア:

[(1, 20976142), (2, 10488071), (11, 1906922), (22, 953461), (157, 133606), (314, 66803), (1727, 12146), (3454, 6073)]