20879196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7873}}^1$

素因数の和:7910

約数の個数: 48

約数和(自身を含む): 55558944

約数和(自身を除く): 34679748

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, 7873, 15746, 23619, 31492, 47238, 94476, 102349, 133841, 204698, 267682, 307047, 401523, 409396, 535364, 614094, 803046, 1228188, 1606092, 1739933, 3479866, 5219799, 6959732, 10439598, 20879196]

約数ペア:

[(1, 20879196), (2, 10439598), (3, 6959732), (4, 5219799), (6, 3479866), (12, 1739933), (13, 1606092), (17, 1228188), (26, 803046), (34, 614094), (39, 535364), (51, 409396), (52, 401523), (68, 307047), (78, 267682), (102, 204698), (156, 133841), (204, 102349), (221, 94476), (442, 47238), (663, 31492), (884, 23619), (1326, 15746), (2652, 7873)]