15770020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112643}}^1$

素因数の和:112659

約数の個数: 24

約数和(自身を含む): 37848384

約数和(自身を除く): 22078364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112643, 225286, 450572, 563215, 788501, 1126430, 1577002, 2252860, 3154004, 3942505, 7885010, 15770020]

約数ペア:

[(1, 15770020), (2, 7885010), (4, 3942505), (5, 3154004), (7, 2252860), (10, 1577002), (14, 1126430), (20, 788501), (28, 563215), (35, 450572), (70, 225286), (140, 112643)]