20805636

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 50566208

約数和(自身を除く): 29760572

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 661, 732, 1322, 1983, 2623, 2644, 3966, 5246, 7869, 7932, 10492, 15738, 28423, 31476, 40321, 56846, 80642, 85269, 113692, 120963, 161284, 170538, 241926, 341076, 483852, 1733803, 3467606, 5201409, 6935212, 10402818, 20805636]

約数ペア:

[(1, 20805636), (2, 10402818), (3, 6935212), (4, 5201409), (6, 3467606), (12, 1733803), (43, 483852), (61, 341076), (86, 241926), (122, 170538), (129, 161284), (172, 120963), (183, 113692), (244, 85269), (258, 80642), (366, 56846), (516, 40321), (661, 31476), (732, 28423), (1322, 15738), (1983, 10492), (2623, 7932), (2644, 7869), (3966, 5246)]