20452551519

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1\times {\mathrm{2621}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 28142408448

約数和(自身を除く): 7689856929

約数列:

[1, 3, 43, 129, 241, 251, 723, 753, 2621, 7863, 10363, 10793, 31089, 32379, 60491, 112703, 181473, 338109, 631661, 657871, 1894983, 1973613, 2601113, 7803339, 27161423, 28288453, 81484269, 84865359, 158546911, 475640733, 6817517173, 20452551519]

約数ペア:

[(1, 20452551519), (3, 6817517173), (43, 475640733), (129, 158546911), (241, 84865359), (251, 81484269), (723, 28288453), (753, 27161423), (2621, 7803339), (7863, 2601113), (10363, 1973613), (10793, 1894983), (31089, 657871), (32379, 631661), (60491, 338109), (112703, 181473)]