20185564221

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1\times {\mathrm{1787}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 30706625664

約数和(自身を除く): 10521061443

約数列:

[1, 3, 9, 23, 69, 197, 207, 277, 591, 831, 1773, 1787, 2493, 4531, 5361, 6371, 13593, 16083, 19113, 40779, 41101, 54569, 57339, 123303, 163707, 352039, 369909, 491121, 494999, 1056117, 1255087, 1484997, 3168351, 3765261, 4454991, 8096897, 11295783, 11384977, 24290691, 34154931, 72872073, 97514803, 102464793, 292544409, 877633227, 2242840469, 6728521407, 20185564221]

約数ペア:

[(1, 20185564221), (3, 6728521407), (9, 2242840469), (23, 877633227), (69, 292544409), (197, 102464793), (207, 97514803), (277, 72872073), (591, 34154931), (831, 24290691), (1773, 11384977), (1787, 11295783), (2493, 8096897), (4531, 4454991), (5361, 3765261), (6371, 3168351), (13593, 1484997), (16083, 1255087), (19113, 1056117), (40779, 494999), (41101, 491121), (54569, 369909), (57339, 352039), (123303, 163707)]