20173190920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2915201}}^1$

素因数の和:2915385

約数の個数: 32

約数和(自身を含む): 45652063320

約数和(自身を除く): 25478872400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 2915201, 5830402, 11660804, 14576005, 23321608, 29152010, 58304020, 116608040, 504329773, 1008659546, 2017319092, 2521648865, 4034638184, 5043297730, 10086595460, 20173190920]

約数ペア:

[(1, 20173190920), (2, 10086595460), (4, 5043297730), (5, 4034638184), (8, 2521648865), (10, 2017319092), (20, 1008659546), (40, 504329773), (173, 116608040), (346, 58304020), (692, 29152010), (865, 23321608), (1384, 14576005), (1730, 11660804), (3460, 5830402), (6920, 2915201)]