20008724725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{132049}}^1$

素因数の和:132118

約数の個数: 48

約数和(自身を含む): 29473560000

約数和(自身を除く): 9464835275

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 145, 209, 275, 319, 475, 551, 725, 1045, 1595, 2755, 5225, 6061, 7975, 13775, 30305, 132049, 151525, 660245, 1452539, 2508931, 3301225, 3829421, 7262695, 12544655, 19147105, 27598241, 36313475, 42123631, 62723275, 72758999, 95735525, 137991205, 210618155, 363794995, 689956025, 800348989, 1053090775, 1818974975, 4001744945, 20008724725]

約数ペア:

[(1, 20008724725), (5, 4001744945), (11, 1818974975), (19, 1053090775), (25, 800348989), (29, 689956025), (55, 363794995), (95, 210618155), (145, 137991205), (209, 95735525), (275, 72758999), (319, 62723275), (475, 42123631), (551, 36313475), (725, 27598241), (1045, 19147105), (1595, 12544655), (2755, 7262695), (5225, 3829421), (6061, 3301225), (7975, 2508931), (13775, 1452539), (30305, 660245), (132049, 151525)]