20519595

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8972

約数の個数: 32

約数和(自身を含む): 38629440

約数和(自身を除く): 18109845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8941, 26823, 44705, 80469, 134115, 151997, 241407, 402345, 455991, 759985, 1207035, 1367973, 2279955, 4103919, 6839865, 20519595]

約数ペア:

[(1, 20519595), (3, 6839865), (5, 4103919), (9, 2279955), (15, 1367973), (17, 1207035), (27, 759985), (45, 455991), (51, 402345), (85, 241407), (135, 151997), (153, 134115), (255, 80469), (459, 44705), (765, 26823), (2295, 8941)]