20128174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39779}}^1$

素因数の和:39815

約数の個数: 16

約数和(自身を含む): 34369920

約数和(自身を除く): 14241746

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39779, 79558, 437569, 875138, 914917, 1829834, 10064087, 20128174]

約数ペア:

[(1, 20128174), (2, 10064087), (11, 1829834), (22, 914917), (23, 875138), (46, 437569), (253, 79558), (506, 39779)]