20318095

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 28629504

約数和(自身を除く): 8311409

約数列:

[1, 5, 7, 35, 49, 127, 245, 635, 653, 889, 3265, 4445, 4571, 6223, 22855, 31115, 31997, 82931, 159985, 414655, 580517, 2902585, 4063619, 20318095]

約数ペア:

[(1, 20318095), (5, 4063619), (7, 2902585), (35, 580517), (49, 414655), (127, 159985), (245, 82931), (635, 31997), (653, 31115), (889, 22855), (3265, 6223), (4445, 4571)]