20303491

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 24033024

約数和(自身を除く): 3729533

約数列:

[1, 13, 17, 37, 169, 191, 221, 481, 629, 2483, 2873, 3247, 6253, 7067, 8177, 32279, 42211, 91871, 106301, 120139, 548743, 1194323, 1561807, 20303491]

約数ペア:

[(1, 20303491), (13, 1561807), (17, 1194323), (37, 548743), (169, 120139), (191, 106301), (221, 91871), (481, 42211), (629, 32279), (2483, 8177), (2873, 7067), (3247, 6253)]