20418342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{919}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 48840960

約数和(自身を除く): 28422618

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 919, 966, 1058, 1587, 1838, 2757, 3174, 3703, 5514, 6433, 7406, 11109, 12866, 19299, 21137, 22218, 38598, 42274, 63411, 126822, 147959, 295918, 443877, 486151, 887754, 972302, 1458453, 2916906, 3403057, 6806114, 10209171, 20418342]

約数ペア:

[(1, 20418342), (2, 10209171), (3, 6806114), (6, 3403057), (7, 2916906), (14, 1458453), (21, 972302), (23, 887754), (42, 486151), (46, 443877), (69, 295918), (138, 147959), (161, 126822), (322, 63411), (483, 42274), (529, 38598), (919, 22218), (966, 21137), (1058, 19299), (1587, 12866), (1838, 11109), (2757, 7406), (3174, 6433), (3703, 5514)]