20783763

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 41395200

約数和(自身を除く): 20611437

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 769, 819, 1001, 1287, 2079, 2307, 2457, 3003, 3861, 5383, 6921, 8459, 9009, 9997, 16149, 20763, 25377, 27027, 29991, 48447, 59213, 69979, 76131, 89973, 109967, 145341, 177639, 209937, 228393, 269919, 329901, 532917, 629811, 769769, 989703, 1598751, 1889433, 2309307, 2969109, 6927921, 20783763]

約数ペア:

[(1, 20783763), (3, 6927921), (7, 2969109), (9, 2309307), (11, 1889433), (13, 1598751), (21, 989703), (27, 769769), (33, 629811), (39, 532917), (63, 329901), (77, 269919), (91, 228393), (99, 209937), (117, 177639), (143, 145341), (189, 109967), (231, 89973), (273, 76131), (297, 69979), (351, 59213), (429, 48447), (693, 29991), (769, 27027), (819, 25377), (1001, 20763), (1287, 16149), (2079, 9997), (2307, 9009), (2457, 8459), (3003, 6921), (3861, 5383)]