20563978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7577}}^1$

素因数の和:7661

約数の個数: 16

約数和(自身を含む): 32736960

約数和(自身を除く): 12172982

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7577, 15154, 174271, 348542, 447043, 894086, 10281989, 20563978]

約数ペア:

[(1, 20563978), (2, 10281989), (23, 894086), (46, 447043), (59, 348542), (118, 174271), (1357, 15154), (2714, 7577)]