20268339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5711}}^1$

素因数の和:5747

約数の個数: 24

約数和(自身を含む): 33449472

約数和(自身を除く): 13181133

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5711, 17133, 39977, 74243, 119931, 222729, 519701, 965159, 1559103, 2895477, 6756113, 20268339]

約数ペア:

[(1, 20268339), (3, 6756113), (7, 2895477), (13, 1559103), (21, 965159), (39, 519701), (91, 222729), (169, 119931), (273, 74243), (507, 39977), (1183, 17133), (3549, 5711)]