20123248

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21317}}^1$

素因数の和:21384

約数の個数: 20

約数和(自身を含む): 39651480

約数和(自身を除く): 19528232

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21317, 42634, 85268, 170536, 341072, 1257703, 2515406, 5030812, 10061624, 20123248]

約数ペア:

[(1, 20123248), (2, 10061624), (4, 5030812), (8, 2515406), (16, 1257703), (59, 341072), (118, 170536), (236, 85268), (472, 42634), (944, 21317)]