20899681407

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5148973}}^1$

素因数の和:5149031

約数の個数: 24

約数和(自身を含む): 33736077648

約数和(自身を除く): 12836396241

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5148973, 15446919, 46340757, 56638703, 169916109, 211107893, 509748327, 633323679, 1899971037, 2322186823, 6966560469, 20899681407]

約数ペア:

[(1, 20899681407), (3, 6966560469), (9, 2322186823), (11, 1899971037), (33, 633323679), (41, 509748327), (99, 211107893), (123, 169916109), (369, 56638703), (451, 46340757), (1353, 15446919), (4059, 5148973)]