20149100848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{656237}}^1$

素因数の和:656365

約数の個数: 40

約数和(自身を含む): 41500491120

約数和(自身を除く): 21351390272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1919, 3838, 7676, 15352, 30704, 656237, 1312474, 2624948, 5249896, 10499792, 12468503, 24937006, 49874012, 66279937, 99748024, 132559874, 199496048, 265119748, 530239496, 1060478992, 1259318803, 2518637606, 5037275212, 10074550424, 20149100848]

約数ペア:

[(1, 20149100848), (2, 10074550424), (4, 5037275212), (8, 2518637606), (16, 1259318803), (19, 1060478992), (38, 530239496), (76, 265119748), (101, 199496048), (152, 132559874), (202, 99748024), (304, 66279937), (404, 49874012), (808, 24937006), (1616, 12468503), (1919, 10499792), (3838, 5249896), (7676, 2624948), (15352, 1312474), (30704, 656237)]