20187661109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{73091}}^1$

素因数の和:73337

約数の個数: 32

約数和(自身を含む): 26776230912

約数和(自身を除く): 6588569803

約数列:

[1, 7, 11, 17, 77, 119, 187, 211, 1309, 1477, 2321, 3587, 16247, 25109, 39457, 73091, 276199, 511637, 804001, 1242547, 5628007, 8697829, 13668017, 15422201, 95676119, 107955407, 169644211, 262177417, 1187509477, 1835241919, 2883951587, 20187661109]

約数ペア:

[(1, 20187661109), (7, 2883951587), (11, 1835241919), (17, 1187509477), (77, 262177417), (119, 169644211), (187, 107955407), (211, 95676119), (1309, 15422201), (1477, 13668017), (2321, 8697829), (3587, 5628007), (16247, 1242547), (25109, 804001), (39457, 511637), (73091, 276199)]