20149653879

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{43543}}^1$

素因数の和:43781

約数の個数: 40

約数和(自身を含む): 31296814560

約数和(自身を除く): 11147160681

約数列:

[1, 3, 9, 27, 29, 81, 87, 197, 261, 591, 783, 1773, 2349, 5319, 5713, 15957, 17139, 43543, 51417, 130629, 154251, 391887, 462753, 1175661, 1262747, 3526983, 3788241, 8577971, 11364723, 25733913, 34094169, 77201739, 102282507, 231605217, 248761159, 694815651, 746283477, 2238850431, 6716551293, 20149653879]

約数ペア:

[(1, 20149653879), (3, 6716551293), (9, 2238850431), (27, 746283477), (29, 694815651), (81, 248761159), (87, 231605217), (197, 102282507), (261, 77201739), (591, 34094169), (783, 25733913), (1773, 11364723), (2349, 8577971), (5319, 3788241), (5713, 3526983), (15957, 1262747), (17139, 1175661), (43543, 462753), (51417, 391887), (130629, 154251)]