20847632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1373}}^1$

素因数の和:1467

約数の個数: 40

約数和(自身を含む): 44127384

約数和(自身を除く): 23279752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1373, 1898, 2746, 3796, 5492, 7592, 10984, 15184, 17849, 21968, 35698, 71396, 100229, 142792, 200458, 285584, 400916, 801832, 1302977, 1603664, 2605954, 5211908, 10423816, 20847632]

約数ペア:

[(1, 20847632), (2, 10423816), (4, 5211908), (8, 2605954), (13, 1603664), (16, 1302977), (26, 801832), (52, 400916), (73, 285584), (104, 200458), (146, 142792), (208, 100229), (292, 71396), (584, 35698), (949, 21968), (1168, 17849), (1373, 15184), (1898, 10984), (2746, 7592), (3796, 5492)]