20975331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1861}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 32011504

約数和(自身を除く): 11036173

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1861, 3757, 5583, 11271, 24193, 31637, 72579, 94911, 411281, 537829, 1233843, 1613487, 6991777, 20975331]

約数ペア:

[(1, 20975331), (3, 6991777), (13, 1613487), (17, 1233843), (39, 537829), (51, 411281), (221, 94911), (289, 72579), (663, 31637), (867, 24193), (1861, 11271), (3757, 5583)]