20009415

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 33970176

約数和(自身を除く): 13960761

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1163, 3441, 3489, 5735, 5815, 17205, 17445, 36053, 43031, 108159, 129093, 180265, 215155, 540795, 645465, 1333961, 4001883, 6669805, 20009415]

約数ペア:

[(1, 20009415), (3, 6669805), (5, 4001883), (15, 1333961), (31, 645465), (37, 540795), (93, 215155), (111, 180265), (155, 129093), (185, 108159), (465, 43031), (555, 36053), (1147, 17445), (1163, 17205), (3441, 5815), (3489, 5735)]