2020005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1850715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1151, 1755, 3453, 5755, 10359, 14963, 17265, 31077, 44889, 51795, 74815, 134667, 155385, 224445, 404001, 673335, 2020005]

約数ペア:

[(1, 2020005), (3, 673335), (5, 404001), (9, 224445), (13, 155385), (15, 134667), (27, 74815), (39, 51795), (45, 44889), (65, 31077), (117, 17265), (135, 14963), (195, 10359), (351, 5755), (585, 3453), (1151, 1755)]