20409488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115963}}^1$

素因数の和:115982

約数の個数: 20

約数和(自身を含む): 43138608

約数和(自身を除く): 22729120

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115963, 231926, 463852, 927704, 1275593, 1855408, 2551186, 5102372, 10204744, 20409488]

約数ペア:

[(1, 20409488), (2, 10204744), (4, 5102372), (8, 2551186), (11, 1855408), (16, 1275593), (22, 927704), (44, 463852), (88, 231926), (176, 115963)]