20665788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12043}}^1$

素因数の和:12074

約数の個数: 48

約数和(自身を含む): 56654976

約数和(自身を除く): 35989188

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12043, 24086, 36129, 48172, 72258, 132473, 144516, 156559, 264946, 313118, 397419, 469677, 529892, 626236, 794838, 939354, 1589676, 1722149, 1878708, 3444298, 5166447, 6888596, 10332894, 20665788]

約数ペア:

[(1, 20665788), (2, 10332894), (3, 6888596), (4, 5166447), (6, 3444298), (11, 1878708), (12, 1722149), (13, 1589676), (22, 939354), (26, 794838), (33, 626236), (39, 529892), (44, 469677), (52, 397419), (66, 313118), (78, 264946), (132, 156559), (143, 144516), (156, 132473), (286, 72258), (429, 48172), (572, 36129), (858, 24086), (1716, 12043)]