20836309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 2549291

約数列:

[1, 13, 31, 149, 347, 403, 1937, 4511, 4619, 10757, 51703, 60047, 139841, 672139, 1602793, 20836309]

約数ペア:

[(1, 20836309), (13, 1602793), (31, 672139), (149, 139841), (347, 60047), (403, 51703), (1937, 10757), (4511, 4619)]