20744206

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2801}}^1$

素因数の和:2856

約数の個数: 24

約数和(自身を含む): 37188144

約数和(自身を除く): 16443938

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2801, 3703, 5602, 7406, 19607, 39214, 64423, 128846, 450961, 901922, 1481729, 2963458, 10372103, 20744206]

約数ペア:

[(1, 20744206), (2, 10372103), (7, 2963458), (14, 1481729), (23, 901922), (46, 450961), (161, 128846), (322, 64423), (529, 39214), (1058, 19607), (2801, 7406), (3703, 5602)]