19754140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141101}}^1$

素因数の和:141117

約数の個数: 24

約数和(自身を含む): 47410272

約数和(自身を除く): 27656132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141101, 282202, 564404, 705505, 987707, 1411010, 1975414, 2822020, 3950828, 4938535, 9877070, 19754140]

約数ペア:

[(1, 19754140), (2, 9877070), (4, 4938535), (5, 3950828), (7, 2822020), (10, 1975414), (14, 1411010), (20, 987707), (28, 705505), (35, 564404), (70, 282202), (140, 141101)]