20974226

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6779}}^1$

素因数の和:6818

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 20031214

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6779, 13558, 47453, 88127, 94906, 115243, 176254, 230486, 616889, 806701, 1233778, 1498159, 1613402, 2996318, 10487113, 20974226]

約数ペア:

[(1, 20974226), (2, 10487113), (7, 2996318), (13, 1613402), (14, 1498159), (17, 1233778), (26, 806701), (34, 616889), (91, 230486), (119, 176254), (182, 115243), (221, 94906), (238, 88127), (442, 47453), (1547, 13558), (3094, 6779)]