20574177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{823}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 29624448

約数和(自身を除く): 9050271

約数列:

[1, 3, 13, 39, 641, 823, 1923, 2469, 8333, 10699, 24999, 32097, 527543, 1582629, 6858059, 20574177]

約数ペア:

[(1, 20574177), (3, 6858059), (13, 1582629), (39, 527543), (641, 32097), (823, 24999), (1923, 10699), (2469, 8333)]