2020697917

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{1583}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 2383603200

約数和(自身を除く): 362905283

約数列:

[1, 7, 49, 109, 239, 763, 1583, 1673, 5341, 11081, 11711, 26051, 77567, 172547, 182357, 378337, 1207829, 1276499, 2648359, 8454803, 18538513, 41238733, 288671131, 2020697917]

約数ペア:

[(1, 2020697917), (7, 288671131), (49, 41238733), (109, 18538513), (239, 8454803), (763, 2648359), (1583, 1276499), (1673, 1207829), (5341, 378337), (11081, 182357), (11711, 172547), (26051, 77567)]