20165558145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{408251}}^1$

素因数の和:408385

約数の個数: 32

約数和(自身を含む): 33509324160

約数和(自身を除く): 13343766015

約数列:

[1, 3, 5, 15, 37, 89, 111, 185, 267, 445, 555, 1335, 3293, 9879, 16465, 49395, 408251, 1224753, 2041255, 6123765, 15105287, 36334339, 45315861, 75526435, 109003017, 181671695, 226579305, 545015085, 1344370543, 4033111629, 6721852715, 20165558145]

約数ペア:

[(1, 20165558145), (3, 6721852715), (5, 4033111629), (15, 1344370543), (37, 545015085), (89, 226579305), (111, 181671695), (185, 109003017), (267, 75526435), (445, 45315861), (555, 36334339), (1335, 15105287), (3293, 6123765), (9879, 2041255), (16465, 1224753), (49395, 408251)]