20175491259

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18917}}^1$

素因数の和:18972

約数の個数: 112

約数和(自身を含む): 39700558080

約数和(自身を除く): 19525066821

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 81, 99, 133, 171, 189, 209, 231, 243, 297, 399, 513, 567, 627, 693, 729, 891, 1197, 1463, 1539, 1701, 1881, 2079, 2673, 3591, 4389, 4617, 5103, 5643, 6237, 8019, 10773, 13167, 13851, 16929, 18711, 18917, 32319, 39501, 50787, 56133, 56751, 96957, 118503, 132419, 152361, 170253, 208087, 355509, 359423, 397257, 510759, 624261, 1066527, 1078269, 1191771, 1456609, 1532277, 1872783, 2515961, 3234807, 3575313, 3953653, 4369827, 4596831, 5618349, 7547883, 9704421, 10725939, 11860959, 13109481, 13790493, 16855047, 22643649, 27675571, 29113263, 32177817, 35582877, 39328443, 50565141, 67930947, 83026713, 87339789, 96533451, 106748631, 117985329, 151695423, 203792841, 249080139, 262019367, 320245893, 353955987, 611378523, 747240417, 960737679, 1061867961, 1834135569, 2241721251, 2882213037, 6725163753, 20175491259]

約数ペア:

[(1, 20175491259), (3, 6725163753), (7, 2882213037), (9, 2241721251), (11, 1834135569), (19, 1061867961), (21, 960737679), (27, 747240417), (33, 611378523), (57, 353955987), (63, 320245893), (77, 262019367), (81, 249080139), (99, 203792841), (133, 151695423), (171, 117985329), (189, 106748631), (209, 96533451), (231, 87339789), (243, 83026713), (297, 67930947), (399, 50565141), (513, 39328443), (567, 35582877), (627, 32177817), (693, 29113263), (729, 27675571), (891, 22643649), (1197, 16855047), (1463, 13790493), (1539, 13109481), (1701, 11860959), (1881, 10725939), (2079, 9704421), (2673, 7547883), (3591, 5618349), (4389, 4596831), (4617, 4369827), (5103, 3953653), (5643, 3575313), (6237, 3234807), (8019, 2515961), (10773, 1872783), (13167, 1532277), (13851, 1456609), (16929, 1191771), (18711, 1078269), (18917, 1066527), (32319, 624261), (39501, 510759), (50787, 397257), (56133, 359423), (56751, 355509), (96957, 208087), (118503, 170253), (132419, 152361)]