20512097541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1\times {\mathrm{7127}}^1$

素因数の和:8610

約数の個数: 48

約数和(自身を含む): 33812722944

約数和(自身を除く): 13300625403

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1447, 1989, 4341, 7127, 13023, 18811, 21381, 24599, 56433, 64143, 73797, 92651, 121159, 169299, 221391, 277953, 319787, 363477, 833859, 959361, 1090431, 1575067, 2878083, 4725201, 10312769, 14175603, 30938307, 92814921, 134065997, 175317073, 402197991, 525951219, 1206593973, 1577853657, 2279121949, 6837365847, 20512097541]

約数ペア:

[(1, 20512097541), (3, 6837365847), (9, 2279121949), (13, 1577853657), (17, 1206593973), (39, 525951219), (51, 402197991), (117, 175317073), (153, 134065997), (221, 92814921), (663, 30938307), (1447, 14175603), (1989, 10312769), (4341, 4725201), (7127, 2878083), (13023, 1575067), (18811, 1090431), (21381, 959361), (24599, 833859), (56433, 363477), (64143, 319787), (73797, 277953), (92651, 221391), (121159, 169299)]