20215173846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{486667}}^1$

素因数の和:486745

約数の個数: 64

約数和(自身を含む): 49336455168

約数和(自身を除く): 29121281322

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 43, 46, 69, 86, 129, 138, 161, 258, 301, 322, 483, 602, 903, 966, 989, 1806, 1978, 2967, 5934, 6923, 13846, 20769, 41538, 486667, 973334, 1460001, 2920002, 3406669, 6813338, 10220007, 11193341, 20440014, 20926681, 22386682, 33580023, 41853362, 62780043, 67160046, 78353387, 125560086, 146486767, 156706774, 235060161, 292973534, 439460301, 470120322, 481313663, 878920602, 962627326, 1443940989, 2887881978, 3369195641, 6738391282, 10107586923, 20215173846]

約数ペア:

[(1, 20215173846), (2, 10107586923), (3, 6738391282), (6, 3369195641), (7, 2887881978), (14, 1443940989), (21, 962627326), (23, 878920602), (42, 481313663), (43, 470120322), (46, 439460301), (69, 292973534), (86, 235060161), (129, 156706774), (138, 146486767), (161, 125560086), (258, 78353387), (301, 67160046), (322, 62780043), (483, 41853362), (602, 33580023), (903, 22386682), (966, 20926681), (989, 20440014), (1806, 11193341), (1978, 10220007), (2967, 6813338), (5934, 3406669), (6923, 2920002), (13846, 1460001), (20769, 973334), (41538, 486667)]