20705428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3083}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 38340288

約数和(自身を除く): 17634860

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3083, 3358, 6166, 6716, 12332, 70909, 141818, 225059, 283636, 450118, 900236, 5176357, 10352714, 20705428]

約数ペア:

[(1, 20705428), (2, 10352714), (4, 5176357), (23, 900236), (46, 450118), (73, 283636), (92, 225059), (146, 141818), (292, 70909), (1679, 12332), (3083, 6716), (3358, 6166)]