20019174945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{28001}}^1$

素因数の和:28646

約数の個数: 64

約数和(自身を含む): 40000296960

約数和(自身を除く): 19981122015

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 619, 1155, 1857, 3095, 4333, 6809, 9285, 12999, 20427, 21665, 28001, 34045, 47663, 64995, 84003, 102135, 140005, 142989, 196007, 238315, 308011, 420015, 588021, 714945, 924033, 980035, 1540055, 2156077, 2940105, 4620165, 6468231, 10780385, 17332619, 32341155, 51997857, 86663095, 121328333, 190658809, 259989285, 363984999, 571976427, 606641665, 953294045, 1334611663, 1819924995, 2859882135, 4003834989, 6673058315, 20019174945]

約数ペア:

[(1, 20019174945), (3, 6673058315), (5, 4003834989), (7, 2859882135), (11, 1819924995), (15, 1334611663), (21, 953294045), (33, 606641665), (35, 571976427), (55, 363984999), (77, 259989285), (105, 190658809), (165, 121328333), (231, 86663095), (385, 51997857), (619, 32341155), (1155, 17332619), (1857, 10780385), (3095, 6468231), (4333, 4620165), (6809, 2940105), (9285, 2156077), (12999, 1540055), (20427, 980035), (21665, 924033), (28001, 714945), (34045, 588021), (47663, 420015), (64995, 308011), (84003, 238315), (102135, 196007), (140005, 142989)]