20172487923

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{626611}}^1$

素因数の和:626704

約数の個数: 36

約数和(自身を含む): 34359642408

約数和(自身を除く): 14187154485

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 1533, 3577, 4599, 10731, 32193, 626611, 1879833, 4386277, 5639499, 13158831, 30703939, 39476493, 45742603, 92111817, 137227809, 276335451, 320198221, 411683427, 960594663, 2241387547, 2881783989, 6724162641, 20172487923]

約数ペア:

[(1, 20172487923), (3, 6724162641), (7, 2881783989), (9, 2241387547), (21, 960594663), (49, 411683427), (63, 320198221), (73, 276335451), (147, 137227809), (219, 92111817), (441, 45742603), (511, 39476493), (657, 30703939), (1533, 13158831), (3577, 5639499), (4599, 4386277), (10731, 1879833), (32193, 626611)]