20121482619

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{294911}}^1$

素因数の和:294965

約数の個数: 48

約数和(自身を含む): 35955671040

約数和(自身を除く): 15834188421

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1197, 2527, 3249, 3591, 7581, 9747, 22743, 68229, 294911, 884733, 2064377, 2654199, 5603309, 6193131, 7962597, 16809927, 18579393, 39223163, 50429781, 55738179, 106462871, 117669489, 151289343, 319388613, 353008467, 745240097, 958165839, 1059025401, 2235720291, 2874497517, 6707160873, 20121482619]

約数ペア:

[(1, 20121482619), (3, 6707160873), (7, 2874497517), (9, 2235720291), (19, 1059025401), (21, 958165839), (27, 745240097), (57, 353008467), (63, 319388613), (133, 151289343), (171, 117669489), (189, 106462871), (361, 55738179), (399, 50429781), (513, 39223163), (1083, 18579393), (1197, 16809927), (2527, 7962597), (3249, 6193131), (3591, 5603309), (7581, 2654199), (9747, 2064377), (22743, 884733), (68229, 294911)]