20192819020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1504681}}^1$

素因数の和:1504762

約数の個数: 48

約数和(自身を含む): 47018303136

約数和(自身を除く): 26825484116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 1504681, 3009362, 6018724, 7523405, 15046810, 16551491, 30093620, 33102982, 66205964, 82757455, 91785541, 165514910, 183571082, 331029820, 367142164, 458927705, 917855410, 1009640951, 1835710820, 2019281902, 4038563804, 5048204755, 10096409510, 20192819020]

約数ペア:

[(1, 20192819020), (2, 10096409510), (4, 5048204755), (5, 4038563804), (10, 2019281902), (11, 1835710820), (20, 1009640951), (22, 917855410), (44, 458927705), (55, 367142164), (61, 331029820), (110, 183571082), (122, 165514910), (220, 91785541), (244, 82757455), (305, 66205964), (610, 33102982), (671, 30093620), (1220, 16551491), (1342, 15046810), (2684, 7523405), (3355, 6018724), (6710, 3009362), (13420, 1504681)]