20751003

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 37112400

約数和(自身を除く): 16361397

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1949, 3549, 5847, 10647, 13643, 17541, 25337, 40929, 76011, 122787, 177359, 228033, 329381, 532077, 988143, 1596231, 2305667, 2964429, 6917001, 20751003]

約数ペア:

[(1, 20751003), (3, 6917001), (7, 2964429), (9, 2305667), (13, 1596231), (21, 988143), (39, 532077), (63, 329381), (91, 228033), (117, 177359), (169, 122787), (273, 76011), (507, 40929), (819, 25337), (1183, 17541), (1521, 13643), (1949, 10647), (3549, 5847)]