22910020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163643}}^1$

素因数の和:163659

約数の個数: 24

約数和(自身を含む): 54984384

約数和(自身を除く): 32074364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163643, 327286, 654572, 818215, 1145501, 1636430, 2291002, 3272860, 4582004, 5727505, 11455010, 22910020]

約数ペア:

[(1, 22910020), (2, 11455010), (4, 5727505), (5, 4582004), (7, 3272860), (10, 2291002), (14, 1636430), (20, 1145501), (28, 818215), (35, 654572), (70, 327286), (140, 163643)]