20147681385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{69019}}^1$

素因数の和:69542

約数の個数: 48

約数和(自身を含む): 37684920000

約数和(自身を除く): 17537238615

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 499, 585, 1497, 2495, 4491, 6487, 7485, 19461, 22455, 32435, 58383, 69019, 97305, 207057, 291915, 345095, 621171, 897247, 1035285, 2691741, 3105855, 4486235, 8075223, 13458705, 34440481, 40376115, 103321443, 172202405, 309964329, 447726253, 516607215, 1343178759, 1549821645, 2238631265, 4029536277, 6715893795, 20147681385]

約数ペア:

[(1, 20147681385), (3, 6715893795), (5, 4029536277), (9, 2238631265), (13, 1549821645), (15, 1343178759), (39, 516607215), (45, 447726253), (65, 309964329), (117, 172202405), (195, 103321443), (499, 40376115), (585, 34440481), (1497, 13458705), (2495, 8075223), (4491, 4486235), (6487, 3105855), (7485, 2691741), (19461, 1035285), (22455, 897247), (32435, 621171), (58383, 345095), (69019, 291915), (97305, 207057)]