20005256872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{5507}}^1\times {\mathrm{26711}}^1$

素因数の和:32241

約数の個数: 32

約数和(自身を含む): 39725017920

約数和(自身を除く): 19719761048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 5507, 11014, 22028, 26711, 44056, 53422, 93619, 106844, 187238, 213688, 374476, 454087, 748952, 908174, 1816348, 3632696, 147097477, 294194954, 588389908, 1176779816, 2500657109, 5001314218, 10002628436, 20005256872]

約数ペア:

[(1, 20005256872), (2, 10002628436), (4, 5001314218), (8, 2500657109), (17, 1176779816), (34, 588389908), (68, 294194954), (136, 147097477), (5507, 3632696), (11014, 1816348), (22028, 908174), (26711, 748952), (44056, 454087), (53422, 374476), (93619, 213688), (106844, 187238)]