20228919480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 1024

約数和(自身を含む): 91445760000

約数和(自身を除く): 71216840520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 24, 27, 28, 30, 33, 34, 35, 36, 40, 41, 42, 44, 45, 51, 54, 55, 56, 60, 63, 66, 68, 70, 72, 77, 82, 84, 85, 88, 90, 99, 102, 105, 108, 110, 119, 120, 123, 126, 132, 135, 136, 140, 153, 154, 164, 165, 168, 170, 180, 187, 189, 198, 204, 205, 210, 216, 220, 231, 238, 246, 252, 255, 264, 270, 280, 287, 297, 306, 308, 315, 328, 330, 340, 349, 357, 360, 369, 374, 378, 385, 396, 408, 410, 420, 440, 451, 459, 462, 476, 492, 495, 504, 510, 540, 561, 574, 594, 595, 612, 615, 616, 630, 660, 680, 693, 697, 698, 714, 738, 748, 756, 765, 770, 792, 820, 840, 861, 902, 918, 924, 935, 945, 952, 984, 990, 1020, 1047, 1071, 1080, 1107, 1122, 1148, 1155, 1188, 1190, 1224, 1230, 1260, 1309, 1320, 1353, 1386, 1394, 1396, 1428, 1435, 1476, 1485, 1496, 1512, 1530, 1540, 1640, 1683, 1722, 1745, 1785, 1804, 1836, 1845, 1848, 1870, 1890, 1980, 2040, 2079, 2091, 2094, 2142, 2214, 2244, 2255, 2295, 2296, 2310, 2376, 2380, 2443, 2460, 2520, 2583, 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約数ペア:

[(1, 20228919480), (2, 10114459740), (3, 6742973160), (4, 5057229870), (5, 4045783896), (6, 3371486580), (7, 2889845640), (8, 2528614935), (9, 2247657720), (10, 2022891948), (11, 1838992680), (12, 1685743290), (14, 1444922820), (15, 1348594632), (17, 1189936440), (18, 1123828860), (20, 1011445974), (21, 963281880), (22, 919496340), (24, 842871645), (27, 749219240), (28, 722461410), (30, 674297316), (33, 612997560), (34, 594968220), (35, 577969128), (36, 561914430), (40, 505722987), (41, 493388280), (42, 481640940), (44, 459748170), (45, 449531544), (51, 396645480), (54, 374609620), (55, 367798536), (56, 361230705), (60, 337148658), (63, 321093960), (66, 306498780), (68, 297484110), (70, 288984564), (72, 280957215), (77, 262713240), (82, 246694140), (84, 240820470), (85, 237987288), (88, 229874085), (90, 224765772), (99, 204332520), (102, 198322740), (105, 192656376), (108, 187304810), (110, 183899268), (119, 169990920), (120, 168574329), (123, 164462760), (126, 160546980), (132, 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