20472116

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 22879948

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 83, 92, 161, 166, 322, 332, 383, 581, 644, 766, 1162, 1532, 1909, 2324, 2681, 3818, 5362, 7636, 8809, 10724, 13363, 17618, 26726, 31789, 35236, 53452, 61663, 63578, 123326, 127156, 222523, 246652, 445046, 731147, 890092, 1462294, 2924588, 5118029, 10236058, 20472116]

約数ペア:

[(1, 20472116), (2, 10236058), (4, 5118029), (7, 2924588), (14, 1462294), (23, 890092), (28, 731147), (46, 445046), (83, 246652), (92, 222523), (161, 127156), (166, 123326), (322, 63578), (332, 61663), (383, 53452), (581, 35236), (644, 31789), (766, 26726), (1162, 17618), (1532, 13363), (1909, 10724), (2324, 8809), (2681, 7636), (3818, 5362)]