20205322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7489}}^1$

素因数の和:7581

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12151478

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7489, 14978, 142291, 284582, 531719, 1063438, 10102661, 20205322]

約数ペア:

[(1, 20205322), (2, 10102661), (19, 1063438), (38, 531719), (71, 284582), (142, 142291), (1349, 14978), (2698, 7489)]