20169982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 36679680

約数和(自身を除く): 16509698

約数列:

[1, 2, 7, 14, 19, 38, 133, 191, 266, 382, 397, 794, 1337, 2674, 2779, 3629, 5558, 7258, 7543, 15086, 25403, 50806, 52801, 75827, 105602, 151654, 530789, 1061578, 1440713, 2881426, 10084991, 20169982]

約数ペア:

[(1, 20169982), (2, 10084991), (7, 2881426), (14, 1440713), (19, 1061578), (38, 530789), (133, 151654), (191, 105602), (266, 75827), (382, 52801), (397, 50806), (794, 25403), (1337, 15086), (2674, 7543), (2779, 7258), (3629, 5558)]