20501898

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 24650742

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 239, 478, 493, 717, 841, 986, 1434, 1479, 1682, 2523, 2958, 4063, 5046, 6931, 8126, 12189, 13862, 14297, 20793, 24378, 28594, 41586, 42891, 85782, 117827, 200999, 235654, 353481, 401998, 602997, 706962, 1205994, 3416983, 6833966, 10250949, 20501898]

約数ペア:

[(1, 20501898), (2, 10250949), (3, 6833966), (6, 3416983), (17, 1205994), (29, 706962), (34, 602997), (51, 401998), (58, 353481), (87, 235654), (102, 200999), (174, 117827), (239, 85782), (478, 42891), (493, 41586), (717, 28594), (841, 24378), (986, 20793), (1434, 14297), (1479, 13862), (1682, 12189), (2523, 8126), (2958, 6931), (4063, 5046)]