20740872015

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{24229}}^1$

素因数の和:24633

約数の個数: 64

約数和(自身を含む): 39147926400

約数和(自身を除く): 18407054385

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 373, 459, 765, 1119, 1865, 2295, 3357, 5595, 6341, 10071, 16785, 19023, 24229, 31705, 50355, 57069, 72687, 95115, 121145, 171207, 218061, 285345, 363435, 411893, 654183, 856035, 1090305, 1235679, 2059465, 3270915, 3707037, 6178395, 9037417, 11121111, 18535185, 27112251, 45187085, 55605555, 81336753, 135561255, 153636089, 244010259, 406683765, 460908267, 768180445, 1220051295, 1382724801, 2304541335, 4148174403, 6913624005, 20740872015]

約数ペア:

[(1, 20740872015), (3, 6913624005), (5, 4148174403), (9, 2304541335), (15, 1382724801), (17, 1220051295), (27, 768180445), (45, 460908267), (51, 406683765), (85, 244010259), (135, 153636089), (153, 135561255), (255, 81336753), (373, 55605555), (459, 45187085), (765, 27112251), (1119, 18535185), (1865, 11121111), (2295, 9037417), (3357, 6178395), (5595, 3707037), (6341, 3270915), (10071, 2059465), (16785, 1235679), (19023, 1090305), (24229, 856035), (31705, 654183), (50355, 411893), (57069, 363435), (72687, 285345), (95115, 218061), (121145, 171207)]