19953740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34403}}^1$

素因数の和:34441

約数の個数: 24

約数和(自身を含む): 43349040

約数和(自身を除く): 23395300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34403, 68806, 137612, 172015, 344030, 688060, 997687, 1995374, 3990748, 4988435, 9976870, 19953740]

約数ペア:

[(1, 19953740), (2, 9976870), (4, 4988435), (5, 3990748), (10, 1995374), (20, 997687), (29, 688060), (58, 344030), (116, 172015), (145, 137612), (290, 68806), (580, 34403)]