20386088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20437912

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1889, 2698, 3778, 5396, 7556, 10792, 15112, 35891, 71782, 134119, 143564, 268238, 287128, 536476, 1072952, 2548261, 5096522, 10193044, 20386088]

約数ペア:

[(1, 20386088), (2, 10193044), (4, 5096522), (8, 2548261), (19, 1072952), (38, 536476), (71, 287128), (76, 268238), (142, 143564), (152, 134119), (284, 71782), (568, 35891), (1349, 15112), (1889, 10792), (2698, 7556), (3778, 5396)]