20376020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145543}}^1$

素因数の和:145559

約数の個数: 24

約数和(自身を含む): 48902784

約数和(自身を除く): 28526764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145543, 291086, 582172, 727715, 1018801, 1455430, 2037602, 2910860, 4075204, 5094005, 10188010, 20376020]

約数ペア:

[(1, 20376020), (2, 10188010), (4, 5094005), (5, 4075204), (7, 2910860), (10, 2037602), (14, 1455430), (20, 1018801), (28, 727715), (35, 582172), (70, 291086), (140, 145543)]