20498508

素因数分解:

$2^2\times 3^5\times {\mathrm{21089}}^1$

素因数の和:21108

約数の個数: 36

約数和(自身を含む): 53737320

約数和(自身を除く): 33238812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21089, 42178, 63267, 84356, 126534, 189801, 253068, 379602, 569403, 759204, 1138806, 1708209, 2277612, 3416418, 5124627, 6832836, 10249254, 20498508]

約数ペア:

[(1, 20498508), (2, 10249254), (3, 6832836), (4, 5124627), (6, 3416418), (9, 2277612), (12, 1708209), (18, 1138806), (27, 759204), (36, 569403), (54, 379602), (81, 253068), (108, 189801), (162, 126534), (243, 84356), (324, 63267), (486, 42178), (972, 21089)]