20823045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 15423483

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2207, 3145, 6621, 9435, 11035, 33105, 37519, 81659, 112557, 187595, 244977, 408295, 562785, 1224885, 1388203, 4164609, 6941015, 20823045]

約数ペア:

[(1, 20823045), (3, 6941015), (5, 4164609), (15, 1388203), (17, 1224885), (37, 562785), (51, 408295), (85, 244977), (111, 187595), (185, 112557), (255, 81659), (555, 37519), (629, 33105), (1887, 11035), (2207, 9435), (3145, 6621)]