20807568

素因数分解:

$2^4\times 3^2\times {\mathrm{144497}}^1$

素因数の和:144511

約数の個数: 30

約数和(自身を含む): 58232694

約数和(自身を除く): 37425126

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144497, 288994, 433491, 577988, 866982, 1155976, 1300473, 1733964, 2311952, 2600946, 3467928, 5201892, 6935856, 10403784, 20807568]

約数ペア:

[(1, 20807568), (2, 10403784), (3, 6935856), (4, 5201892), (6, 3467928), (8, 2600946), (9, 2311952), (12, 1733964), (16, 1300473), (18, 1155976), (24, 866982), (36, 577988), (48, 433491), (72, 288994), (144, 144497)]