20138670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11777}}^1$

素因数の和:11809

約数の個数: 48

約数和(自身を含む): 55121040

約数和(自身を除く): 34982370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11777, 23554, 35331, 58885, 70662, 105993, 117770, 176655, 211986, 223763, 353310, 447526, 529965, 671289, 1059930, 1118815, 1342578, 2013867, 2237630, 3356445, 4027734, 6712890, 10069335, 20138670]

約数ペア:

[(1, 20138670), (2, 10069335), (3, 6712890), (5, 4027734), (6, 3356445), (9, 2237630), (10, 2013867), (15, 1342578), (18, 1118815), (19, 1059930), (30, 671289), (38, 529965), (45, 447526), (57, 353310), (90, 223763), (95, 211986), (114, 176655), (171, 117770), (190, 105993), (285, 70662), (342, 58885), (570, 35331), (855, 23554), (1710, 11777)]