20047072

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7039}}^1$

素因数の和:7138

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 19869728

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7039, 14078, 28156, 56312, 112624, 225248, 626471, 1252942, 2505884, 5011768, 10023536, 20047072]

約数ペア:

[(1, 20047072), (2, 10023536), (4, 5011768), (8, 2505884), (16, 1252942), (32, 626471), (89, 225248), (178, 112624), (356, 56312), (712, 28156), (1424, 14078), (2848, 7039)]