16797020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 20942500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 389, 508, 635, 778, 1270, 1556, 1945, 2159, 2540, 3890, 4318, 6613, 7780, 8636, 10795, 13226, 21590, 26452, 33065, 43180, 49403, 66130, 98806, 132260, 197612, 247015, 494030, 839851, 988060, 1679702, 3359404, 4199255, 8398510, 16797020]

約数ペア:

[(1, 16797020), (2, 8398510), (4, 4199255), (5, 3359404), (10, 1679702), (17, 988060), (20, 839851), (34, 494030), (68, 247015), (85, 197612), (127, 132260), (170, 98806), (254, 66130), (340, 49403), (389, 43180), (508, 33065), (635, 26452), (778, 21590), (1270, 13226), (1556, 10795), (1945, 8636), (2159, 7780), (2540, 6613), (3890, 4318)]