31562020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1493}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 76301568

約数和(自身を除く): 44739548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1493, 1510, 2114, 2986, 3020, 4228, 5285, 5972, 7465, 10451, 10570, 14930, 20902, 21140, 29860, 41804, 52255, 104510, 209020, 225443, 450886, 901772, 1127215, 1578101, 2254430, 3156202, 4508860, 6312404, 7890505, 15781010, 31562020]

約数ペア:

[(1, 31562020), (2, 15781010), (4, 7890505), (5, 6312404), (7, 4508860), (10, 3156202), (14, 2254430), (20, 1578101), (28, 1127215), (35, 901772), (70, 450886), (140, 225443), (151, 209020), (302, 104510), (604, 52255), (755, 41804), (1057, 29860), (1493, 21140), (1510, 20902), (2114, 14930), (2986, 10570), (3020, 10451), (4228, 7465), (5285, 5972)]