20470581

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 31668000

約数和(自身を除く): 11197419

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 2029, 3363, 6087, 10089, 18261, 38551, 115653, 119711, 346959, 359133, 1077399, 2274509, 6823527, 20470581]

約数ペア:

[(1, 20470581), (3, 6823527), (9, 2274509), (19, 1077399), (57, 359133), (59, 346959), (171, 119711), (177, 115653), (531, 38551), (1121, 18261), (2029, 10089), (3363, 6087)]