20954384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1777}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 44976288

約数和(自身を除く): 24021904

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1777, 2948, 3554, 5896, 7108, 11792, 14216, 19547, 28432, 39094, 78188, 119059, 156376, 238118, 312752, 476236, 952472, 1309649, 1904944, 2619298, 5238596, 10477192, 20954384]

約数ペア:

[(1, 20954384), (2, 10477192), (4, 5238596), (8, 2619298), (11, 1904944), (16, 1309649), (22, 952472), (44, 476236), (67, 312752), (88, 238118), (134, 156376), (176, 119059), (268, 78188), (536, 39094), (737, 28432), (1072, 19547), (1474, 14216), (1777, 11792), (2948, 7108), (3554, 5896)]