20868562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 16254062

約数列:

[1, 2, 11, 13, 22, 26, 131, 143, 262, 286, 557, 1114, 1441, 1703, 2882, 3406, 6127, 7241, 12254, 14482, 18733, 37466, 72967, 79651, 145934, 159302, 802637, 948571, 1605274, 1897142, 10434281, 20868562]

約数ペア:

[(1, 20868562), (2, 10434281), (11, 1897142), (13, 1605274), (22, 948571), (26, 802637), (131, 159302), (143, 145934), (262, 79651), (286, 72967), (557, 37466), (1114, 18733), (1441, 14482), (1703, 12254), (2882, 7241), (3406, 6127)]