20010249

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35401600

約数和(自身を除く): 15391351

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 229, 399, 511, 657, 687, 1197, 1387, 1533, 1603, 2061, 4161, 4351, 4599, 4809, 9709, 12483, 13053, 14427, 16717, 29127, 30457, 39159, 50151, 87381, 91371, 117019, 150453, 274113, 317623, 351057, 952869, 1053171, 2223361, 2858607, 6670083, 20010249]

約数ペア:

[(1, 20010249), (3, 6670083), (7, 2858607), (9, 2223361), (19, 1053171), (21, 952869), (57, 351057), (63, 317623), (73, 274113), (133, 150453), (171, 117019), (219, 91371), (229, 87381), (399, 50151), (511, 39159), (657, 30457), (687, 29127), (1197, 16717), (1387, 14427), (1533, 13053), (1603, 12483), (2061, 9709), (4161, 4809), (4351, 4599)]