20981422

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3384

約数の個数: 32

約数和(自身を含む): 40207104

約数和(自身を除く): 19225682

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 3323, 6314, 6646, 23261, 36553, 46522, 73106, 136243, 255871, 272486, 511742, 953701, 1498673, 1907402, 2997346, 10490711, 20981422]

約数ペア:

[(1, 20981422), (2, 10490711), (7, 2997346), (11, 1907402), (14, 1498673), (22, 953701), (41, 511742), (77, 272486), (82, 255871), (154, 136243), (287, 73106), (451, 46522), (574, 36553), (902, 23261), (3157, 6646), (3323, 6314)]