20209770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 192

約数和(自身を含む): 67196160

約数和(自身を除く): 46986390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 37, 42, 45, 51, 54, 63, 70, 74, 85, 90, 102, 105, 111, 119, 126, 135, 153, 170, 185, 189, 210, 222, 238, 255, 259, 270, 289, 306, 315, 333, 357, 370, 378, 459, 510, 518, 555, 578, 595, 629, 630, 666, 714, 765, 777, 867, 918, 945, 999, 1071, 1110, 1190, 1258, 1295, 1445, 1530, 1554, 1665, 1734, 1785, 1887, 1890, 1998, 2023, 2142, 2295, 2331, 2590, 2601, 2890, 3145, 3213, 3330, 3570, 3774, 3885, 4046, 4335, 4403, 4590, 4662, 4995, 5202, 5355, 5661, 6069, 6290, 6426, 6993, 7770, 7803, 8670, 8806, 9435, 9990, 10115, 10693, 10710, 11322, 11655, 12138, 13005, 13209, 13986, 15606, 16065, 16983, 18207, 18870, 20230, 21386, 22015, 23310, 26010, 26418, 28305, 30345, 32079, 32130, 33966, 34965, 36414, 39015, 39627, 44030, 53465, 54621, 56610, 60690, 64158, 66045, 69930, 74851, 78030, 79254, 84915, 91035, 96237, 106930, 109242, 118881, 132090, 149702, 160395, 169830, 182070, 192474, 198135, 224553, 237762, 273105, 288711, 320790, 374255, 396270, 449106, 481185, 546210, 577422, 594405, 673659, 748510, 962370, 1122765, 1188810, 1347318, 1443555, 2020977, 2245530, 2887110, 3368295, 4041954, 6736590, 10104885, 20209770]

約数ペア:

[(1, 20209770), (2, 10104885), (3, 6736590), (5, 4041954), (6, 3368295), (7, 2887110), (9, 2245530), (10, 2020977), (14, 1443555), (15, 1347318), (17, 1188810), (18, 1122765), (21, 962370), (27, 748510), (30, 673659), (34, 594405), (35, 577422), (37, 546210), (42, 481185), (45, 449106), (51, 396270), (54, 374255), (63, 320790), (70, 288711), (74, 273105), (85, 237762), (90, 224553), (102, 198135), (105, 192474), (111, 182070), (119, 169830), (126, 160395), (135, 149702), (153, 132090), (170, 118881), (185, 109242), (189, 106930), (210, 96237), (222, 91035), (238, 84915), (255, 79254), (259, 78030), (270, 74851), (289, 69930), (306, 66045), (315, 64158), (333, 60690), (357, 56610), (370, 54621), (378, 53465), (459, 44030), (510, 39627), (518, 39015), (555, 36414), (578, 34965), (595, 33966), (629, 32130), (630, 32079), (666, 30345), (714, 28305), (765, 26418), (777, 26010), (867, 23310), (918, 22015), (945, 21386), (999, 20230), (1071, 18870), (1110, 18207), (1190, 16983), (1258, 16065), (1295, 15606), (1445, 13986), (1530, 13209), (1554, 13005), (1665, 12138), (1734, 11655), (1785, 11322), (1887, 10710), (1890, 10693), (1998, 10115), (2023, 9990), (2142, 9435), (2295, 8806), (2331, 8670), (2590, 7803), (2601, 7770), (2890, 6993), (3145, 6426), (3213, 6290), (3330, 6069), (3570, 5661), (3774, 5355), (3885, 5202), (4046, 4995), (4335, 4662), (4403, 4590)]