201720590

素因数分解:

$2^1\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{9413}}^1$

素因数の和:11563

約数の個数: 16

約数和(自身を含む): 363305088

約数和(自身を除く): 161584498

約数列:

[1, 2, 5, 10, 2143, 4286, 9413, 10715, 18826, 21430, 47065, 94130, 20172059, 40344118, 100860295, 201720590]

約数ペア:

[(1, 201720590), (2, 100860295), (5, 40344118), (10, 20172059), (2143, 94130), (4286, 47065), (9413, 21430), (10715, 18826)]