20560956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7753}}^1$

素因数の和:7790

約数の個数: 48

約数和(自身を含む): 54712224

約数和(自身を除く): 34151268

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7753, 15506, 23259, 31012, 46518, 93036, 100789, 131801, 201578, 263602, 302367, 395403, 403156, 527204, 604734, 790806, 1209468, 1581612, 1713413, 3426826, 5140239, 6853652, 10280478, 20560956]

約数ペア:

[(1, 20560956), (2, 10280478), (3, 6853652), (4, 5140239), (6, 3426826), (12, 1713413), (13, 1581612), (17, 1209468), (26, 790806), (34, 604734), (39, 527204), (51, 403156), (52, 395403), (68, 302367), (78, 263602), (102, 201578), (156, 131801), (204, 100789), (221, 93036), (442, 46518), (663, 31012), (884, 23259), (1326, 15506), (2652, 7753)]