20827059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 11659341

約数列:

[1, 3, 11, 19, 33, 57, 59, 177, 209, 563, 627, 649, 1121, 1689, 1947, 3363, 6193, 10697, 12331, 18579, 32091, 33217, 36993, 99651, 117667, 353001, 365387, 631123, 1096161, 1893369, 6942353, 20827059]

約数ペア:

[(1, 20827059), (3, 6942353), (11, 1893369), (19, 1096161), (33, 631123), (57, 365387), (59, 353001), (177, 117667), (209, 99651), (563, 36993), (627, 33217), (649, 32091), (1121, 18579), (1689, 12331), (1947, 10697), (3363, 6193)]