20274480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 120

約数和(自身を含む): 70508880

約数和(自身を除く): 50234400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 971, 1044, 1160, 1305, 1392, 1740, 1942, 2088, 2320, 2610, 2913, 3480, 3884, 4176, 4855, 5220, 5826, 6960, 7768, 8739, 9710, 10440, 11652, 14565, 15536, 17478, 19420, 20880, 23304, 28159, 29130, 34956, 38840, 43695, 46608, 56318, 58260, 69912, 77680, 84477, 87390, 112636, 116520, 139824, 140795, 168954, 174780, 225272, 233040, 253431, 281590, 337908, 349560, 422385, 450544, 506862, 563180, 675816, 699120, 844770, 1013724, 1126360, 1267155, 1351632, 1689540, 2027448, 2252720, 2534310, 3379080, 4054896, 5068620, 6758160, 10137240, 20274480]

約数ペア:

[(1, 20274480), (2, 10137240), (3, 6758160), (4, 5068620), (5, 4054896), (6, 3379080), (8, 2534310), (9, 2252720), (10, 2027448), (12, 1689540), (15, 1351632), (16, 1267155), (18, 1126360), (20, 1013724), (24, 844770), (29, 699120), (30, 675816), (36, 563180), (40, 506862), (45, 450544), (48, 422385), (58, 349560), (60, 337908), (72, 281590), (80, 253431), (87, 233040), (90, 225272), (116, 174780), (120, 168954), (144, 140795), (145, 139824), (174, 116520), (180, 112636), (232, 87390), (240, 84477), (261, 77680), (290, 69912), (348, 58260), (360, 56318), (435, 46608), (464, 43695), (522, 38840), (580, 34956), (696, 29130), (720, 28159), (870, 23304), (971, 20880), (1044, 19420), (1160, 17478), (1305, 15536), (1392, 14565), (1740, 11652), (1942, 10440), (2088, 9710), (2320, 8739), (2610, 7768), (2913, 6960), (3480, 5826), (3884, 5220), (4176, 4855)]