20197700973

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{1783}}^1$

素因数の和:2221

約数の個数: 56

約数和(自身を含む): 31120595520

約数和(自身を除く): 10922894547

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 379, 729, 1107, 1137, 1783, 3321, 3411, 5349, 9963, 10233, 15539, 16047, 29889, 30699, 46617, 48141, 73103, 92097, 139851, 144423, 219309, 276291, 419553, 433269, 657927, 675757, 1258659, 1299807, 1973781, 2027271, 3775977, 5921343, 6081813, 11327931, 17764029, 18245439, 27706037, 53292087, 54736317, 83118111, 164208951, 249354333, 492626853, 748062999, 2244188997, 6732566991, 20197700973]

約数ペア:

[(1, 20197700973), (3, 6732566991), (9, 2244188997), (27, 748062999), (41, 492626853), (81, 249354333), (123, 164208951), (243, 83118111), (369, 54736317), (379, 53292087), (729, 27706037), (1107, 18245439), (1137, 17764029), (1783, 11327931), (3321, 6081813), (3411, 5921343), (5349, 3775977), (9963, 2027271), (10233, 1973781), (15539, 1299807), (16047, 1258659), (29889, 675757), (30699, 657927), (46617, 433269), (48141, 419553), (73103, 276291), (92097, 219309), (139851, 144423)]