20153910309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1\times {\mathrm{7013}}^1$

素因数の和:9437

約数の個数: 32

約数和(自身を含む): 29889291264

約数和(自身を除く): 9735380955

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 2377, 7013, 7131, 21039, 30901, 73687, 91169, 92703, 217403, 221061, 273507, 652209, 957931, 2826239, 2873793, 8478717, 16669901, 50009703, 216708713, 516766931, 650126139, 1550300793, 6717970103, 20153910309]

約数ペア:

[(1, 20153910309), (3, 6717970103), (13, 1550300793), (31, 650126139), (39, 516766931), (93, 216708713), (403, 50009703), (1209, 16669901), (2377, 8478717), (7013, 2873793), (7131, 2826239), (21039, 957931), (30901, 652209), (73687, 273507), (91169, 221061), (92703, 217403)]