20354103

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 38278656

約数和(自身を除く): 17924553

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1277, 1449, 1771, 2277, 3831, 5313, 8939, 11493, 14047, 15939, 26817, 29371, 42141, 80451, 88113, 98329, 126423, 205597, 264339, 294987, 323081, 616791, 884961, 969243, 1850373, 2261567, 2907729, 6784701, 20354103]

約数ペア:

[(1, 20354103), (3, 6784701), (7, 2907729), (9, 2261567), (11, 1850373), (21, 969243), (23, 884961), (33, 616791), (63, 323081), (69, 294987), (77, 264339), (99, 205597), (161, 126423), (207, 98329), (231, 88113), (253, 80451), (483, 42141), (693, 29371), (759, 26817), (1277, 15939), (1449, 14047), (1771, 11493), (2277, 8939), (3831, 5313)]