20172795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 14248965

約数列:

[1, 3, 5, 15, 17, 51, 85, 239, 255, 331, 717, 993, 1195, 1655, 3585, 4063, 4965, 5627, 12189, 16881, 20315, 28135, 60945, 79109, 84405, 237327, 395545, 1186635, 1344853, 4034559, 6724265, 20172795]

約数ペア:

[(1, 20172795), (3, 6724265), (5, 4034559), (15, 1344853), (17, 1186635), (51, 395545), (85, 237327), (239, 84405), (255, 79109), (331, 60945), (717, 28135), (993, 20315), (1195, 16881), (1655, 12189), (3585, 5627), (4063, 4965)]