20086677

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 12370923

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 643, 801, 1157, 1929, 2403, 3471, 5787, 8359, 10413, 17361, 25077, 31239, 57227, 75231, 171681, 225693, 515043, 743951, 1545129, 2231853, 6695559, 20086677]

約数ペア:

[(1, 20086677), (3, 6695559), (9, 2231853), (13, 1545129), (27, 743951), (39, 515043), (89, 225693), (117, 171681), (267, 75231), (351, 57227), (643, 31239), (801, 25077), (1157, 17361), (1929, 10413), (2403, 8359), (3471, 5787)]