20469878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3767}}^1$

素因数の和:3812

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 17511562

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3767, 5434, 7534, 41437, 48971, 71573, 82874, 97942, 143146, 538681, 787303, 930449, 1077362, 1574606, 1860898, 10234939, 20469878]

約数ペア:

[(1, 20469878), (2, 10234939), (11, 1860898), (13, 1574606), (19, 1077362), (22, 930449), (26, 787303), (38, 538681), (143, 143146), (209, 97942), (247, 82874), (286, 71573), (418, 48971), (494, 41437), (2717, 7534), (3767, 5434)]