20261567151

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1\times {\mathrm{3373}}^1$

素因数の和:4285

約数の個数: 64

約数和(自身を含む): 35283942400

約数和(自身を除く): 15022375249

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 859, 999, 2331, 2577, 3373, 6013, 6993, 7731, 10119, 18039, 23193, 23611, 30357, 31783, 54117, 70833, 91071, 95349, 124801, 162351, 212499, 222481, 286047, 374403, 637497, 667443, 858141, 873607, 1123209, 2002329, 2620821, 2897407, 3369627, 6006987, 7862463, 8692221, 20281849, 23587389, 26076663, 60845547, 78229989, 107204059, 182536641, 321612177, 547609923, 750428413, 964836531, 2251285239, 2894509593, 6753855717, 20261567151]

約数ペア:

[(1, 20261567151), (3, 6753855717), (7, 2894509593), (9, 2251285239), (21, 964836531), (27, 750428413), (37, 547609923), (63, 321612177), (111, 182536641), (189, 107204059), (259, 78229989), (333, 60845547), (777, 26076663), (859, 23587389), (999, 20281849), (2331, 8692221), (2577, 7862463), (3373, 6006987), (6013, 3369627), (6993, 2897407), (7731, 2620821), (10119, 2002329), (18039, 1123209), (23193, 873607), (23611, 858141), (30357, 667443), (31783, 637497), (54117, 374403), (70833, 286047), (91071, 222481), (95349, 212499), (124801, 162351)]