20372674

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 38404800

約数和(自身を除く): 18032126

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 139, 203, 266, 278, 361, 406, 551, 722, 973, 1102, 1946, 2527, 2641, 3857, 4031, 5054, 5282, 7714, 8062, 10469, 18487, 20938, 28217, 36974, 50179, 56434, 73283, 76589, 100358, 146566, 153178, 351253, 536123, 702506, 1072246, 1455191, 2910382, 10186337, 20372674]

約数ペア:

[(1, 20372674), (2, 10186337), (7, 2910382), (14, 1455191), (19, 1072246), (29, 702506), (38, 536123), (58, 351253), (133, 153178), (139, 146566), (203, 100358), (266, 76589), (278, 73283), (361, 56434), (406, 50179), (551, 36974), (722, 28217), (973, 20938), (1102, 18487), (1946, 10469), (2527, 8062), (2641, 7714), (3857, 5282), (4031, 5054)]