20965380051

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{25373}}^1$

素因数の和:25481

約数の個数: 64

約数和(自身を含む): 36051379200

約数和(自身を除く): 15085999149

約数列:

[1, 3, 7, 11, 21, 33, 49, 73, 77, 147, 219, 231, 343, 511, 539, 803, 1029, 1533, 1617, 2409, 3577, 3773, 5621, 10731, 11319, 16863, 25039, 25373, 39347, 75117, 76119, 118041, 177611, 275429, 279103, 532833, 826287, 837309, 1243277, 1852229, 1953721, 3729831, 5556687, 5861163, 8702939, 12965603, 13676047, 20374519, 26108817, 38896809, 41028141, 61123557, 90759221, 95732329, 142621633, 272277663, 287196987, 427864899, 635314547, 998351431, 1905943641, 2995054293, 6988460017, 20965380051]

約数ペア:

[(1, 20965380051), (3, 6988460017), (7, 2995054293), (11, 1905943641), (21, 998351431), (33, 635314547), (49, 427864899), (73, 287196987), (77, 272277663), (147, 142621633), (219, 95732329), (231, 90759221), (343, 61123557), (511, 41028141), (539, 38896809), (803, 26108817), (1029, 20374519), (1533, 13676047), (1617, 12965603), (2409, 8702939), (3577, 5861163), (3773, 5556687), (5621, 3729831), (10731, 1953721), (11319, 1852229), (16863, 1243277), (25039, 837309), (25373, 826287), (39347, 532833), (75117, 279103), (76119, 275429), (118041, 177611)]