20499284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{823}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 38760960

約数和(自身を除く): 18261676

約数列:

[1, 2, 4, 13, 26, 52, 479, 823, 958, 1646, 1916, 3292, 6227, 10699, 12454, 21398, 24908, 42796, 394217, 788434, 1576868, 5124821, 10249642, 20499284]

約数ペア:

[(1, 20499284), (2, 10249642), (4, 5124821), (13, 1576868), (26, 788434), (52, 394217), (479, 42796), (823, 24908), (958, 21398), (1646, 12454), (1916, 10699), (3292, 6227)]