20312754

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 72

約数和(自身を含む): 52035984

約数和(自身を除く): 31723230

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 121, 147, 154, 231, 242, 294, 363, 462, 539, 571, 726, 847, 1078, 1142, 1617, 1694, 1713, 2541, 3234, 3426, 3997, 5082, 5929, 6281, 7994, 11858, 11991, 12562, 17787, 18843, 23982, 27979, 35574, 37686, 43967, 55958, 69091, 83937, 87934, 131901, 138182, 167874, 207273, 263802, 307769, 414546, 483637, 615538, 923307, 967274, 1450911, 1846614, 2901822, 3385459, 6770918, 10156377, 20312754]

約数ペア:

[(1, 20312754), (2, 10156377), (3, 6770918), (6, 3385459), (7, 2901822), (11, 1846614), (14, 1450911), (21, 967274), (22, 923307), (33, 615538), (42, 483637), (49, 414546), (66, 307769), (77, 263802), (98, 207273), (121, 167874), (147, 138182), (154, 131901), (231, 87934), (242, 83937), (294, 69091), (363, 55958), (462, 43967), (539, 37686), (571, 35574), (726, 27979), (847, 23982), (1078, 18843), (1142, 17787), (1617, 12562), (1694, 11991), (1713, 11858), (2541, 7994), (3234, 6281), (3426, 5929), (3997, 5082)]