20042836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1171}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 38394720

約数和(自身を除く): 18351884

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1171, 1556, 2342, 4279, 4684, 8558, 12881, 17116, 25762, 51524, 455519, 911038, 1822076, 5010709, 10021418, 20042836]

約数ペア:

[(1, 20042836), (2, 10021418), (4, 5010709), (11, 1822076), (22, 911038), (44, 455519), (389, 51524), (778, 25762), (1171, 17116), (1556, 12881), (2342, 8558), (4279, 4684)]