20788049359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{617791}}^1$

素因数の和:617851

約数の個数: 32

約数和(自身を含む): 28467855360

約数和(自身を除く): 7679806001

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 3059, 4807, 33649, 617791, 4324537, 6795701, 11738029, 14209193, 47569907, 82166203, 99464351, 129118319, 156301123, 269974667, 903828233, 1094107861, 1889822669, 2969721337, 20788049359]

約数ペア:

[(1, 20788049359), (7, 2969721337), (11, 1889822669), (19, 1094107861), (23, 903828233), (77, 269974667), (133, 156301123), (161, 129118319), (209, 99464351), (253, 82166203), (437, 47569907), (1463, 14209193), (1771, 11738029), (3059, 6795701), (4807, 4324537), (33649, 617791)]