20895846720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3109501}}^1$

素因数の和:3109528

約数の個数: 112

約数和(自身を含む): 75822096768

約数和(自身を除く): 54926250048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 3109501, 6219002, 9328503, 12438004, 15547505, 18657006, 21766507, 24876008, 31095010, 37314012, 43533014, 46642515, 49752016, 62190020, 65299521, 74628024, 87066028, 93285030, 99504032, 108832535, 124380040, 130599042, 149256048, 174132056, 186570060, 199008064, 217665070, 248760080, 261198084, 298512096, 326497605, 348264112, 373140120, 435330140, 497520160, 522396168, 597024192, 652995210, 696528224, 746280240, 870660280, 995040320, 1044792336, 1305990420, 1393056448, 1492560480, 1741320560, 2089584672, 2611980840, 2985120960, 3482641120, 4179169344, 5223961680, 6965282240, 10447923360, 20895846720]

約数ペア:

[(1, 20895846720), (2, 10447923360), (3, 6965282240), (4, 5223961680), (5, 4179169344), (6, 3482641120), (7, 2985120960), (8, 2611980840), (10, 2089584672), (12, 1741320560), (14, 1492560480), (15, 1393056448), (16, 1305990420), (20, 1044792336), (21, 995040320), (24, 870660280), (28, 746280240), (30, 696528224), (32, 652995210), (35, 597024192), (40, 522396168), (42, 497520160), (48, 435330140), (56, 373140120), (60, 348264112), (64, 326497605), (70, 298512096), (80, 261198084), (84, 248760080), (96, 217665070), (105, 199008064), (112, 186570060), (120, 174132056), (140, 149256048), (160, 130599042), (168, 124380040), (192, 108832535), (210, 99504032), (224, 93285030), (240, 87066028), (280, 74628024), (320, 65299521), (336, 62190020), (420, 49752016), (448, 46642515), (480, 43533014), (560, 37314012), (672, 31095010), (840, 24876008), (960, 21766507), (1120, 18657006), (1344, 15547505), (1680, 12438004), (2240, 9328503), (3360, 6219002), (6720, 3109501)]