20141979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12517221

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 1619, 4147, 4857, 12441, 17809, 21047, 46951, 53427, 63141, 140853, 231517, 516461, 610363, 694551, 1549383, 1831089, 6713993, 20141979]

約数ペア:

[(1, 20141979), (3, 6713993), (11, 1831089), (13, 1549383), (29, 694551), (33, 610363), (39, 516461), (87, 231517), (143, 140853), (319, 63141), (377, 53427), (429, 46951), (957, 21047), (1131, 17809), (1619, 12441), (4147, 4857)]