20171310215

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1\times {\mathrm{2887}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 27996503040

約数和(自身を除く): 7825192825

約数列:

[1, 5, 7, 35, 89, 445, 623, 2243, 2887, 3115, 11215, 14435, 15701, 20209, 78505, 101045, 199627, 256943, 998135, 1284715, 1397389, 1798601, 6475541, 6986945, 8993005, 32377705, 45328787, 226643935, 576323149, 2881615745, 4034262043, 20171310215]

約数ペア:

[(1, 20171310215), (5, 4034262043), (7, 2881615745), (35, 576323149), (89, 226643935), (445, 45328787), (623, 32377705), (2243, 8993005), (2887, 6986945), (3115, 6475541), (11215, 1798601), (14435, 1397389), (15701, 1284715), (20209, 998135), (78505, 256943), (101045, 199627)]