20976924

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{28657}}^1$

素因数の和:28725

約数の個数: 24

約数和(自身を含む): 49750288

約数和(自身を除く): 28773364

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 28657, 57314, 85971, 114628, 171942, 343884, 1748077, 3496154, 5244231, 6992308, 10488462, 20976924]

約数ペア:

[(1, 20976924), (2, 10488462), (3, 6992308), (4, 5244231), (6, 3496154), (12, 1748077), (61, 343884), (122, 171942), (183, 114628), (244, 85971), (366, 57314), (732, 28657)]