20985708

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28669}}^1$

素因数の和:28737

約数の個数: 24

約数和(自身を含む): 49771120

約数和(自身を除く): 28785412

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28669, 57338, 86007, 114676, 172014, 344028, 1748809, 3497618, 5246427, 6995236, 10492854, 20985708]

約数ペア:

[(1, 20985708), (2, 10492854), (3, 6995236), (4, 5246427), (6, 3497618), (12, 1748809), (61, 344028), (122, 172014), (183, 114676), (244, 86007), (366, 57338), (732, 28669)]