20064356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 38675952

約数和(自身を除く): 18611596

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 443, 676, 871, 886, 1742, 1772, 3484, 5759, 11323, 11518, 22646, 23036, 29681, 45292, 59362, 74867, 118724, 149734, 299468, 385853, 771706, 1543412, 5016089, 10032178, 20064356]

約数ペア:

[(1, 20064356), (2, 10032178), (4, 5016089), (13, 1543412), (26, 771706), (52, 385853), (67, 299468), (134, 149734), (169, 118724), (268, 74867), (338, 59362), (443, 45292), (676, 29681), (871, 23036), (886, 22646), (1742, 11518), (1772, 11323), (3484, 5759)]