20294937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 31941000

約数和(自身を除く): 11646063

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1949, 3471, 5847, 10413, 17541, 25337, 76011, 173461, 228033, 520383, 1561149, 2254993, 6764979, 20294937]

約数ペア:

[(1, 20294937), (3, 6764979), (9, 2254993), (13, 1561149), (39, 520383), (89, 228033), (117, 173461), (267, 76011), (801, 25337), (1157, 17541), (1949, 10413), (3471, 5847)]