20021386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18589046

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 121, 154, 223, 242, 371, 446, 583, 742, 847, 1166, 1561, 1694, 2453, 3122, 4081, 4906, 6413, 8162, 11819, 12826, 17171, 23638, 26983, 34342, 44891, 53966, 82733, 89782, 130009, 165466, 188881, 260018, 377762, 910063, 1430099, 1820126, 2860198, 10010693, 20021386]

約数ペア:

[(1, 20021386), (2, 10010693), (7, 2860198), (11, 1820126), (14, 1430099), (22, 910063), (53, 377762), (77, 260018), (106, 188881), (121, 165466), (154, 130009), (223, 89782), (242, 82733), (371, 53966), (446, 44891), (583, 34342), (742, 26983), (847, 23638), (1166, 17171), (1561, 12826), (1694, 11819), (2453, 8162), (3122, 6413), (4081, 4906)]