20993710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 39880512

約数和(自身を除く): 18886802

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 941, 970, 1882, 2231, 4462, 4705, 9410, 11155, 21643, 22310, 43286, 91277, 108215, 182554, 216430, 456385, 912770, 2099371, 4198742, 10496855, 20993710]

約数ペア:

[(1, 20993710), (2, 10496855), (5, 4198742), (10, 2099371), (23, 912770), (46, 456385), (97, 216430), (115, 182554), (194, 108215), (230, 91277), (485, 43286), (941, 22310), (970, 21643), (1882, 11155), (2231, 9410), (4462, 4705)]