20028890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16831}}^1$

素因数の和:16862

約数の個数: 32

約数和(自身を含む): 43628544

約数和(自身を除く): 23599654

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16831, 33662, 84155, 117817, 168310, 235634, 286127, 572254, 589085, 1178170, 1430635, 2002889, 2861270, 4005778, 10014445, 20028890]

約数ペア:

[(1, 20028890), (2, 10014445), (5, 4005778), (7, 2861270), (10, 2002889), (14, 1430635), (17, 1178170), (34, 589085), (35, 572254), (70, 286127), (85, 235634), (119, 168310), (170, 117817), (238, 84155), (595, 33662), (1190, 16831)]