20194545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 17164815

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2161, 3115, 6483, 9345, 10805, 15127, 32415, 45381, 75635, 192329, 226905, 576987, 961645, 1346303, 2884935, 4038909, 6731515, 20194545]

約数ペア:

[(1, 20194545), (3, 6731515), (5, 4038909), (7, 2884935), (15, 1346303), (21, 961645), (35, 576987), (89, 226905), (105, 192329), (267, 75635), (445, 45381), (623, 32415), (1335, 15127), (1869, 10805), (2161, 9345), (3115, 6483)]