20159727

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4729}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 32353200

約数和(自身を除く): 12193473

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4729, 14187, 33103, 99309, 137141, 231721, 411423, 695163, 959987, 2879961, 6719909, 20159727]

約数ペア:

[(1, 20159727), (3, 6719909), (7, 2879961), (21, 959987), (29, 695163), (49, 411423), (87, 231721), (147, 137141), (203, 99309), (609, 33103), (1421, 14187), (4263, 4729)]