20854800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1931}}^1$

素因数の和:1958

約数の個数: 120

約数和(自身を含む): 74266080

約数和(自身を除く): 53411280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1931, 2160, 2700, 3600, 3862, 5400, 5793, 7724, 9655, 10800, 11586, 15448, 17379, 19310, 23172, 28965, 30896, 34758, 38620, 46344, 48275, 52137, 57930, 69516, 77240, 86895, 92688, 96550, 104274, 115860, 139032, 144825, 154480, 173790, 193100, 208548, 231720, 260685, 278064, 289650, 347580, 386200, 417096, 434475, 463440, 521370, 579300, 695160, 772400, 834192, 868950, 1042740, 1158600, 1303425, 1390320, 1737900, 2085480, 2317200, 2606850, 3475800, 4170960, 5213700, 6951600, 10427400, 20854800]

約数ペア:

[(1, 20854800), (2, 10427400), (3, 6951600), (4, 5213700), (5, 4170960), (6, 3475800), (8, 2606850), (9, 2317200), (10, 2085480), (12, 1737900), (15, 1390320), (16, 1303425), (18, 1158600), (20, 1042740), (24, 868950), (25, 834192), (27, 772400), (30, 695160), (36, 579300), (40, 521370), (45, 463440), (48, 434475), (50, 417096), (54, 386200), (60, 347580), (72, 289650), (75, 278064), (80, 260685), (90, 231720), (100, 208548), (108, 193100), (120, 173790), (135, 154480), (144, 144825), (150, 139032), (180, 115860), (200, 104274), (216, 96550), (225, 92688), (240, 86895), (270, 77240), (300, 69516), (360, 57930), (400, 52137), (432, 48275), (450, 46344), (540, 38620), (600, 34758), (675, 30896), (720, 28965), (900, 23172), (1080, 19310), (1200, 17379), (1350, 15448), (1800, 11586), (1931, 10800), (2160, 9655), (2700, 7724), (3600, 5793), (3862, 5400)]