20637351

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10567}}^1$

素因数の和:10611

約数の個数: 24

約数和(自身を含む): 35170304

約数和(自身を除く): 14532953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10567, 31701, 73969, 95103, 221907, 327577, 665721, 982731, 2293039, 2948193, 6879117, 20637351]

約数ペア:

[(1, 20637351), (3, 6879117), (7, 2948193), (9, 2293039), (21, 982731), (31, 665721), (63, 327577), (93, 221907), (217, 95103), (279, 73969), (651, 31701), (1953, 10567)]