20177720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7529}}^1$

素因数の和:7607

約数の個数: 32

約数和(自身を含む): 46083600

約数和(自身を除く): 25905880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7529, 15058, 30116, 37645, 60232, 75290, 150580, 301160, 504443, 1008886, 2017772, 2522215, 4035544, 5044430, 10088860, 20177720]

約数ペア:

[(1, 20177720), (2, 10088860), (4, 5044430), (5, 4035544), (8, 2522215), (10, 2017772), (20, 1008886), (40, 504443), (67, 301160), (134, 150580), (268, 75290), (335, 60232), (536, 37645), (670, 30116), (1340, 15058), (2680, 7529)]