20947628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{479}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 40971840

約数和(自身を除く): 20024212

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 479, 754, 841, 958, 1508, 1682, 1916, 3364, 6227, 10933, 12454, 13891, 21866, 24908, 27782, 43732, 55564, 180583, 361166, 402839, 722332, 805678, 1611356, 5236907, 10473814, 20947628]

約数ペア:

[(1, 20947628), (2, 10473814), (4, 5236907), (13, 1611356), (26, 805678), (29, 722332), (52, 402839), (58, 361166), (116, 180583), (377, 55564), (479, 43732), (754, 27782), (841, 24908), (958, 21866), (1508, 13891), (1682, 12454), (1916, 10933), (3364, 6227)]