20572024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 42375600

約数和(自身を除く): 21803576

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1489, 1727, 2978, 3454, 5956, 6908, 11912, 13816, 16379, 32758, 65516, 131032, 233773, 467546, 935092, 1870184, 2571503, 5143006, 10286012, 20572024]

約数ペア:

[(1, 20572024), (2, 10286012), (4, 5143006), (8, 2571503), (11, 1870184), (22, 935092), (44, 467546), (88, 233773), (157, 131032), (314, 65516), (628, 32758), (1256, 16379), (1489, 13816), (1727, 11912), (2978, 6908), (3454, 5956)]