20942685

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2927}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 37946880

約数和(自身を除く): 17004195

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2927, 7155, 8781, 14635, 26343, 43905, 79029, 131715, 155131, 395145, 465393, 775655, 1396179, 2326965, 4188537, 6980895, 20942685]

約数ペア:

[(1, 20942685), (3, 6980895), (5, 4188537), (9, 2326965), (15, 1396179), (27, 775655), (45, 465393), (53, 395145), (135, 155131), (159, 131715), (265, 79029), (477, 43905), (795, 26343), (1431, 14635), (2385, 8781), (2927, 7155)]