20047160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71597}}^1$

素因数の和:71615

約数の個数: 32

約数和(自身を含む): 51550560

約数和(自身を除く): 31503400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71597, 143194, 286388, 357985, 501179, 572776, 715970, 1002358, 1431940, 2004716, 2505895, 2863880, 4009432, 5011790, 10023580, 20047160]

約数ペア:

[(1, 20047160), (2, 10023580), (4, 5011790), (5, 4009432), (7, 2863880), (8, 2505895), (10, 2004716), (14, 1431940), (20, 1002358), (28, 715970), (35, 572776), (40, 501179), (56, 357985), (70, 286388), (140, 143194), (280, 71597)]