20573630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 47487384

約数和(自身を除く): 26913754

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 347, 385, 490, 539, 605, 694, 770, 847, 1078, 1210, 1694, 1735, 2429, 2695, 3470, 3817, 4235, 4858, 5390, 5929, 7634, 8470, 11858, 12145, 17003, 19085, 24290, 26719, 29645, 34006, 38170, 41987, 53438, 59290, 83974, 85015, 133595, 170030, 187033, 209935, 267190, 293909, 374066, 419870, 587818, 935165, 1469545, 1870330, 2057363, 2939090, 4114726, 10286815, 20573630]

約数ペア:

[(1, 20573630), (2, 10286815), (5, 4114726), (7, 2939090), (10, 2057363), (11, 1870330), (14, 1469545), (22, 935165), (35, 587818), (49, 419870), (55, 374066), (70, 293909), (77, 267190), (98, 209935), (110, 187033), (121, 170030), (154, 133595), (242, 85015), (245, 83974), (347, 59290), (385, 53438), (490, 41987), (539, 38170), (605, 34006), (694, 29645), (770, 26719), (847, 24290), (1078, 19085), (1210, 17003), (1694, 12145), (1735, 11858), (2429, 8470), (2695, 7634), (3470, 5929), (3817, 5390), (4235, 4858)]