20121363031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{9883}}^1$

素因数の和:10231

約数の個数: 32

約数和(自身を含む): 25402987008

約数和(自身を除く): 5281623977

約数列:

[1, 7, 11, 77, 137, 193, 959, 1351, 1507, 2123, 9883, 10549, 14861, 26441, 69181, 108713, 185087, 290851, 760991, 1353971, 1907419, 2035957, 9477797, 13351933, 14893681, 20981609, 104255767, 146871263, 261316403, 1829214821, 2874480433, 20121363031]

約数ペア:

[(1, 20121363031), (7, 2874480433), (11, 1829214821), (77, 261316403), (137, 146871263), (193, 104255767), (959, 20981609), (1351, 14893681), (1507, 13351933), (2123, 9477797), (9883, 2035957), (10549, 1907419), (14861, 1353971), (26441, 760991), (69181, 290851), (108713, 185087)]