20025753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^2$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 31510224

約数和(自身を除く): 11484471

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 361, 451, 627, 779, 1083, 1353, 1681, 2337, 3971, 5043, 8569, 11913, 14801, 18491, 25707, 31939, 44403, 55473, 95817, 162811, 351329, 488433, 606841, 1053987, 1820523, 6675251, 20025753]

約数ペア:

[(1, 20025753), (3, 6675251), (11, 1820523), (19, 1053987), (33, 606841), (41, 488433), (57, 351329), (123, 162811), (209, 95817), (361, 55473), (451, 44403), (627, 31939), (779, 25707), (1083, 18491), (1353, 14801), (1681, 11913), (2337, 8569), (3971, 5043)]