20585505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14435295

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1279, 3219, 3837, 5365, 6395, 16095, 19185, 37091, 47323, 111273, 141969, 185455, 236615, 556365, 709845, 1372367, 4117101, 6861835, 20585505]

約数ペア:

[(1, 20585505), (3, 6861835), (5, 4117101), (15, 1372367), (29, 709845), (37, 556365), (87, 236615), (111, 185455), (145, 141969), (185, 111273), (435, 47323), (555, 37091), (1073, 19185), (1279, 16095), (3219, 6395), (3837, 5365)]