20291344624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40909969}}^1$

素因数の和:40910008

約数の個数: 20

約数和(自身を含む): 40582690240

約数和(自身を除く): 20291345616

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40909969, 81819938, 163639876, 327279752, 654559504, 1268209039, 2536418078, 5072836156, 10145672312, 20291344624]

約数ペア:

[(1, 20291344624), (2, 10145672312), (4, 5072836156), (8, 2536418078), (16, 1268209039), (31, 654559504), (62, 327279752), (124, 163639876), (248, 81819938), (496, 40909969)]