204042020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112111}}^1$

素因数の和:112140

約数の個数: 48

約数和(自身を含む): 527374848

約数和(自身を除く): 323332828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 112111, 224222, 448444, 560555, 784777, 1121110, 1457443, 1569554, 2242220, 2914886, 3139108, 3923885, 5829772, 7287215, 7847770, 10202101, 14574430, 15695540, 20404202, 29148860, 40808404, 51010505, 102021010, 204042020]

約数ペア:

[(1, 204042020), (2, 102021010), (4, 51010505), (5, 40808404), (7, 29148860), (10, 20404202), (13, 15695540), (14, 14574430), (20, 10202101), (26, 7847770), (28, 7287215), (35, 5829772), (52, 3923885), (65, 3139108), (70, 2914886), (91, 2242220), (130, 1569554), (140, 1457443), (182, 1121110), (260, 784777), (364, 560555), (455, 448444), (910, 224222), (1820, 112111)]