20054370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 39043230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 37, 42, 58, 70, 74, 87, 89, 105, 111, 145, 174, 178, 185, 203, 210, 222, 259, 267, 290, 370, 406, 435, 445, 518, 534, 555, 609, 623, 777, 870, 890, 1015, 1073, 1110, 1218, 1246, 1295, 1335, 1554, 1869, 2030, 2146, 2581, 2590, 2670, 3045, 3115, 3219, 3293, 3738, 3885, 5162, 5365, 6090, 6230, 6438, 6586, 7511, 7743, 7770, 9345, 9879, 10730, 12905, 15022, 15486, 16095, 16465, 18067, 18690, 19758, 22533, 23051, 25810, 32190, 32930, 36134, 37555, 38715, 45066, 46102, 49395, 54201, 69153, 75110, 77430, 90335, 95497, 98790, 108402, 112665, 115255, 138306, 180670, 190994, 225330, 230510, 271005, 286491, 345765, 477485, 542010, 572982, 668479, 691530, 954970, 1336958, 1432455, 2005437, 2864910, 3342395, 4010874, 6684790, 10027185, 20054370]

約数ペア:

[(1, 20054370), (2, 10027185), (3, 6684790), (5, 4010874), (6, 3342395), (7, 2864910), (10, 2005437), (14, 1432455), (15, 1336958), (21, 954970), (29, 691530), (30, 668479), (35, 572982), (37, 542010), (42, 477485), (58, 345765), (70, 286491), (74, 271005), (87, 230510), (89, 225330), (105, 190994), (111, 180670), (145, 138306), (174, 115255), (178, 112665), (185, 108402), (203, 98790), (210, 95497), (222, 90335), (259, 77430), (267, 75110), (290, 69153), (370, 54201), (406, 49395), (435, 46102), (445, 45066), (518, 38715), (534, 37555), (555, 36134), (609, 32930), (623, 32190), (777, 25810), (870, 23051), (890, 22533), (1015, 19758), (1073, 18690), (1110, 18067), (1218, 16465), (1246, 16095), (1295, 15486), (1335, 15022), (1554, 12905), (1869, 10730), (2030, 9879), (2146, 9345), (2581, 7770), (2590, 7743), (2670, 7511), (3045, 6586), (3115, 6438), (3219, 6230), (3293, 6090), (3738, 5365), (3885, 5162)]