20176773561

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{2897}}^1$

素因数の和:3863

約数の個数: 72

約数和(自身を含む): 35947777320

約数和(自身を除く): 15771003759

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 929, 1071, 2499, 2787, 2897, 6503, 7497, 8361, 8691, 15793, 19509, 20279, 26073, 45521, 47379, 49249, 58527, 60837, 110551, 136563, 141953, 142137, 147747, 182511, 331653, 344743, 409689, 425859, 443241, 773857, 994959, 1034229, 1277577, 2321571, 2413201, 2691313, 3102687, 6964713, 7239603, 8073939, 18839191, 21718809, 24221817, 45752321, 56517573, 131874337, 137256963, 169552719, 320266247, 395623011, 411770889, 960798741, 1186869033, 2241863729, 2882396223, 6725591187, 20176773561]

約数ペア:

[(1, 20176773561), (3, 6725591187), (7, 2882396223), (9, 2241863729), (17, 1186869033), (21, 960798741), (49, 411770889), (51, 395623011), (63, 320266247), (119, 169552719), (147, 137256963), (153, 131874337), (357, 56517573), (441, 45752321), (833, 24221817), (929, 21718809), (1071, 18839191), (2499, 8073939), (2787, 7239603), (2897, 6964713), (6503, 3102687), (7497, 2691313), (8361, 2413201), (8691, 2321571), (15793, 1277577), (19509, 1034229), (20279, 994959), (26073, 773857), (45521, 443241), (47379, 425859), (49249, 409689), (58527, 344743), (60837, 331653), (110551, 182511), (136563, 147747), (141953, 142137)]