20180121567

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1\times {\mathrm{7793}}^1$

素因数の和:8443

約数の個数: 32

約数和(自身を含む): 28361430720

約数和(自身を除く): 8181309153

約数列:

[1, 3, 37, 41, 111, 123, 569, 1517, 1707, 4551, 7793, 21053, 23329, 23379, 63159, 69987, 288341, 319513, 863173, 865023, 958539, 2589519, 4434217, 11821981, 13302651, 35465943, 164066029, 181802897, 492198087, 545408691, 6726707189, 20180121567]

約数ペア:

[(1, 20180121567), (3, 6726707189), (37, 545408691), (41, 492198087), (111, 181802897), (123, 164066029), (569, 35465943), (1517, 13302651), (1707, 11821981), (4551, 4434217), (7793, 2589519), (21053, 958539), (23329, 865023), (23379, 863173), (63159, 319513), (69987, 288341)]