20946673424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{34469}}^1$

素因数の和:36495

約数の個数: 40

約数和(自身を含む): 42742800000

約数和(自身を除く): 21796126576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1999, 3998, 7996, 15992, 31984, 34469, 37981, 68938, 75962, 137876, 151924, 275752, 303848, 551504, 607696, 654911, 1309822, 2619644, 5239288, 10478576, 68903531, 137807062, 275614124, 551228248, 1102456496, 1309167089, 2618334178, 5236668356, 10473336712, 20946673424]

約数ペア:

[(1, 20946673424), (2, 10473336712), (4, 5236668356), (8, 2618334178), (16, 1309167089), (19, 1102456496), (38, 551228248), (76, 275614124), (152, 137807062), (304, 68903531), (1999, 10478576), (3998, 5239288), (7996, 2619644), (15992, 1309822), (31984, 654911), (34469, 607696), (37981, 551504), (68938, 303848), (75962, 275752), (137876, 151924)]