20686540086

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{839483}}^1$

素因数の和:839565

約数の個数: 36

約数和(自身を含む): 46065005532

約数和(自身を除く): 25378465446

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 1369, 2738, 4107, 8214, 12321, 24642, 839483, 1678966, 2518449, 5036898, 7555347, 15110694, 31060871, 62121742, 93182613, 186365226, 279547839, 559095678, 1149252227, 2298504454, 3447756681, 6895513362, 10343270043, 20686540086]

約数ペア:

[(1, 20686540086), (2, 10343270043), (3, 6895513362), (6, 3447756681), (9, 2298504454), (18, 1149252227), (37, 559095678), (74, 279547839), (111, 186365226), (222, 93182613), (333, 62121742), (666, 31060871), (1369, 15110694), (2738, 7555347), (4107, 5036898), (8214, 2518449), (12321, 1678966), (24642, 839483)]