20833505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 31788288

約数和(自身を除く): 10954783

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1021, 1855, 2915, 4081, 5105, 7147, 11231, 20405, 35735, 54113, 56155, 78617, 270565, 378791, 393085, 595243, 1893955, 2976215, 4166701, 20833505]

約数ペア:

[(1, 20833505), (5, 4166701), (7, 2976215), (11, 1893955), (35, 595243), (53, 393085), (55, 378791), (77, 270565), (265, 78617), (371, 56155), (385, 54113), (583, 35735), (1021, 20405), (1855, 11231), (2915, 7147), (4081, 5105)]