20702925295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{279637}}^1$

素因数の和:279739

約数の個数: 32

約数和(自身を含む): 28751260608

約数和(自身を除く): 8048335313

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 871, 1105, 1139, 4355, 5695, 14807, 74035, 279637, 1398185, 3635281, 4753829, 18176405, 18735679, 23769145, 61799777, 93678395, 243563827, 308998885, 318506543, 1217819135, 1592532715, 4140585059, 20702925295]

約数ペア:

[(1, 20702925295), (5, 4140585059), (13, 1592532715), (17, 1217819135), (65, 318506543), (67, 308998885), (85, 243563827), (221, 93678395), (335, 61799777), (871, 23769145), (1105, 18735679), (1139, 18176405), (4355, 4753829), (5695, 3635281), (14807, 1398185), (74035, 279637)]