20144770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17180030

約数列:

[1, 2, 5, 10, 53, 106, 191, 199, 265, 382, 398, 530, 955, 995, 1910, 1990, 10123, 10547, 20246, 21094, 38009, 50615, 52735, 76018, 101230, 105470, 190045, 380090, 2014477, 4028954, 10072385, 20144770]

約数ペア:

[(1, 20144770), (2, 10072385), (5, 4028954), (10, 2014477), (53, 380090), (106, 190045), (191, 105470), (199, 101230), (265, 76018), (382, 52735), (398, 50615), (530, 38009), (955, 21094), (995, 20246), (1910, 10547), (1990, 10123)]