16820804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4236

約数の個数: 48

約数和(自身を含む): 39532416

約数和(自身を除く): 22711612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4201, 8402, 16804, 29407, 46211, 54613, 58814, 92422, 109226, 117628, 184844, 218452, 323477, 382291, 600743, 646954, 764582, 1201486, 1293908, 1529164, 2402972, 4205201, 8410402, 16820804]

約数ペア:

[(1, 16820804), (2, 8410402), (4, 4205201), (7, 2402972), (11, 1529164), (13, 1293908), (14, 1201486), (22, 764582), (26, 646954), (28, 600743), (44, 382291), (52, 323477), (77, 218452), (91, 184844), (143, 117628), (154, 109226), (182, 92422), (286, 58814), (308, 54613), (364, 46211), (572, 29407), (1001, 16804), (2002, 8402), (4004, 4201)]