20202750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 58181760

約数和(自身を除く): 37979010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 41, 45, 50, 54, 73, 75, 82, 90, 123, 125, 135, 146, 150, 205, 219, 225, 246, 250, 270, 365, 369, 375, 410, 438, 450, 615, 657, 675, 730, 738, 750, 1025, 1095, 1107, 1125, 1230, 1314, 1350, 1825, 1845, 1971, 2050, 2190, 2214, 2250, 2993, 3075, 3285, 3375, 3650, 3690, 3942, 5125, 5475, 5535, 5986, 6150, 6570, 6750, 8979, 9125, 9225, 9855, 10250, 10950, 11070, 14965, 15375, 16425, 17958, 18250, 18450, 19710, 26937, 27375, 27675, 29930, 30750, 32850, 44895, 46125, 49275, 53874, 54750, 55350, 74825, 80811, 82125, 89790, 92250, 98550, 134685, 138375, 149650, 161622, 164250, 224475, 246375, 269370, 276750, 374125, 404055, 448950, 492750, 673425, 748250, 808110, 1122375, 1346850, 2020275, 2244750, 3367125, 4040550, 6734250, 10101375, 20202750]

約数ペア:

[(1, 20202750), (2, 10101375), (3, 6734250), (5, 4040550), (6, 3367125), (9, 2244750), (10, 2020275), (15, 1346850), (18, 1122375), (25, 808110), (27, 748250), (30, 673425), (41, 492750), (45, 448950), (50, 404055), (54, 374125), (73, 276750), (75, 269370), (82, 246375), (90, 224475), (123, 164250), (125, 161622), (135, 149650), (146, 138375), (150, 134685), (205, 98550), (219, 92250), (225, 89790), (246, 82125), (250, 80811), (270, 74825), (365, 55350), (369, 54750), (375, 53874), (410, 49275), (438, 46125), (450, 44895), (615, 32850), (657, 30750), (675, 29930), (730, 27675), (738, 27375), (750, 26937), (1025, 19710), (1095, 18450), (1107, 18250), (1125, 17958), (1230, 16425), (1314, 15375), (1350, 14965), (1825, 11070), (1845, 10950), (1971, 10250), (2050, 9855), (2190, 9225), (2214, 9125), (2250, 8979), (2993, 6750), (3075, 6570), (3285, 6150), (3375, 5986), (3650, 5535), (3690, 5475), (3942, 5125)]