20245077

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 30451200

約数和(自身を除く): 10206123

約数列:

[1, 3, 9, 31, 93, 149, 279, 447, 487, 1341, 1461, 4383, 4619, 13857, 15097, 41571, 45291, 72563, 135873, 217689, 653067, 2249453, 6748359, 20245077]

約数ペア:

[(1, 20245077), (3, 6748359), (9, 2249453), (31, 653067), (93, 217689), (149, 135873), (279, 72563), (447, 45291), (487, 41571), (1341, 15097), (1461, 13857), (4383, 4619)]