20212478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2437}}^1$

素因数の和:2492

約数の個数: 32

約数和(自身を含む): 36862560

約数和(自身を除く): 16650082

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2437, 4147, 4874, 8294, 26807, 31681, 53614, 63362, 70673, 141346, 348491, 696982, 777403, 918749, 1554806, 1837498, 10106239, 20212478]

約数ペア:

[(1, 20212478), (2, 10106239), (11, 1837498), (13, 1554806), (22, 918749), (26, 777403), (29, 696982), (58, 348491), (143, 141346), (286, 70673), (319, 63362), (377, 53614), (638, 31681), (754, 26807), (2437, 8294), (4147, 4874)]