15210020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108643}}^1$

素因数の和:108659

約数の個数: 24

約数和(自身を含む): 36504384

約数和(自身を除く): 21294364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108643, 217286, 434572, 543215, 760501, 1086430, 1521002, 2172860, 3042004, 3802505, 7605010, 15210020]

約数ペア:

[(1, 15210020), (2, 7605010), (4, 3802505), (5, 3042004), (7, 2172860), (10, 1521002), (14, 1086430), (20, 760501), (28, 543215), (35, 434572), (70, 217286), (140, 108643)]