20095047

素因数分解:

$3^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 60

約数和(自身を含む): 35919576

約数和(自身を除く): 15824529

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 83, 147, 183, 189, 249, 427, 441, 549, 567, 581, 747, 1281, 1323, 1647, 1743, 2241, 2989, 3843, 3969, 4067, 4941, 5063, 5229, 6723, 8967, 11529, 12201, 15189, 15687, 26901, 34587, 35441, 36603, 45567, 47061, 80703, 106323, 109809, 136701, 242109, 248087, 318969, 329427, 410103, 744261, 956907, 2232783, 2870721, 6698349, 20095047]

約数ペア:

[(1, 20095047), (3, 6698349), (7, 2870721), (9, 2232783), (21, 956907), (27, 744261), (49, 410103), (61, 329427), (63, 318969), (81, 248087), (83, 242109), (147, 136701), (183, 109809), (189, 106323), (249, 80703), (427, 47061), (441, 45567), (549, 36603), (567, 35441), (581, 34587), (747, 26901), (1281, 15687), (1323, 15189), (1647, 12201), (1743, 11529), (2241, 8967), (2989, 6723), (3843, 5229), (3969, 5063), (4067, 4941)]