20447742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1109}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 46886400

約数和(自身を除く): 26438658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 439, 878, 1109, 1317, 2218, 2634, 3073, 3327, 6146, 6654, 7763, 9219, 15526, 18438, 23289, 46578, 486851, 973702, 1460553, 2921106, 3407957, 6815914, 10223871, 20447742]

約数ペア:

[(1, 20447742), (2, 10223871), (3, 6815914), (6, 3407957), (7, 2921106), (14, 1460553), (21, 973702), (42, 486851), (439, 46578), (878, 23289), (1109, 18438), (1317, 15526), (2218, 9219), (2634, 7763), (3073, 6654), (3327, 6146)]