20218804749

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{123701}}^1$

素因数の和:123858

約数の個数: 48

約数和(自身を含む): 34581141504

約数和(自身を除く): 14362336755

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 127, 143, 381, 429, 1143, 1287, 1397, 1651, 4191, 4953, 12573, 14859, 18161, 54483, 123701, 163449, 371103, 1113309, 1360711, 1608113, 4082133, 4824339, 12246399, 14473017, 15710027, 17689243, 47130081, 53067729, 141390243, 159203187, 172810297, 204230351, 518430891, 612691053, 1555292673, 1838073159, 2246533861, 6739601583, 20218804749]

約数ペア:

[(1, 20218804749), (3, 6739601583), (9, 2246533861), (11, 1838073159), (13, 1555292673), (33, 612691053), (39, 518430891), (99, 204230351), (117, 172810297), (127, 159203187), (143, 141390243), (381, 53067729), (429, 47130081), (1143, 17689243), (1287, 15710027), (1397, 14473017), (1651, 12246399), (4191, 4824339), (4953, 4082133), (12573, 1608113), (14859, 1360711), (18161, 1113309), (54483, 371103), (123701, 163449)]