20786784172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1307}}^1\times {\mathrm{51637}}^1$

素因数の和:52966

約数の個数: 48

約数和(自身を含む): 45388562688

約数和(自身を除く): 24601778516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1307, 2614, 5228, 9149, 14377, 18298, 28754, 36596, 51637, 57508, 100639, 103274, 201278, 206548, 361459, 402556, 568007, 722918, 1136014, 1445836, 2272028, 3976049, 7952098, 15904196, 67489559, 134979118, 269958236, 472426913, 742385149, 944853826, 1484770298, 1889707652, 2969540596, 5196696043, 10393392086, 20786784172]

約数ペア:

[(1, 20786784172), (2, 10393392086), (4, 5196696043), (7, 2969540596), (11, 1889707652), (14, 1484770298), (22, 944853826), (28, 742385149), (44, 472426913), (77, 269958236), (154, 134979118), (308, 67489559), (1307, 15904196), (2614, 7952098), (5228, 3976049), (9149, 2272028), (14377, 1445836), (18298, 1136014), (28754, 722918), (36596, 568007), (51637, 402556), (57508, 361459), (100639, 206548), (103274, 201278)]