20979310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 20427890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 709, 1345, 1418, 2690, 2959, 3545, 5918, 7090, 7799, 14795, 15598, 29590, 38995, 77990, 190721, 381442, 953605, 1907210, 2097931, 4195862, 10489655, 20979310]

約数ペア:

[(1, 20979310), (2, 10489655), (5, 4195862), (10, 2097931), (11, 1907210), (22, 953605), (55, 381442), (110, 190721), (269, 77990), (538, 38995), (709, 29590), (1345, 15598), (1418, 14795), (2690, 7799), (2959, 7090), (3545, 5918)]