20893840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23743}}^1$

素因数の和:23767

約数の個数: 40

約数和(自身を含む): 52996608

約数和(自身を除く): 32102768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23743, 47486, 94972, 118715, 189944, 237430, 261173, 379888, 474860, 522346, 949720, 1044692, 1305865, 1899440, 2089384, 2611730, 4178768, 5223460, 10446920, 20893840]

約数ペア:

[(1, 20893840), (2, 10446920), (4, 5223460), (5, 4178768), (8, 2611730), (10, 2089384), (11, 1899440), (16, 1305865), (20, 1044692), (22, 949720), (40, 522346), (44, 474860), (55, 379888), (80, 261173), (88, 237430), (110, 189944), (176, 118715), (220, 94972), (440, 47486), (880, 23743)]