2020168521

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{683}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 3588455520

約数和(自身を除く): 1568286999

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 353, 399, 441, 683, 931, 1059, 1197, 2049, 2471, 2793, 3177, 4781, 6147, 6707, 7413, 8379, 12977, 14343, 17297, 20121, 22239, 33467, 38931, 43029, 46949, 51891, 60363, 90839, 100401, 116793, 140847, 155673, 241099, 272517, 301203, 328643, 422541, 635873, 723297, 817551, 985929, 1687693, 1907619, 2169891, 2957787, 4580881, 5063079, 5722857, 11813851, 13742643, 15189237, 32066167, 35441553, 41227929, 96198501, 106324659, 224463169, 288595503, 673389507, 2020168521]

約数ペア:

[(1, 2020168521), (3, 673389507), (7, 288595503), (9, 224463169), (19, 106324659), (21, 96198501), (49, 41227929), (57, 35441553), (63, 32066167), (133, 15189237), (147, 13742643), (171, 11813851), (353, 5722857), (399, 5063079), (441, 4580881), (683, 2957787), (931, 2169891), (1059, 1907619), (1197, 1687693), (2049, 985929), (2471, 817551), (2793, 723297), (3177, 635873), (4781, 422541), (6147, 328643), (6707, 301203), (7413, 272517), (8379, 241099), (12977, 155673), (14343, 140847), (17297, 116793), (20121, 100401), (22239, 90839), (33467, 60363), (38931, 51891), (43029, 46949)]