20876660077

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{6151}}^1$

素因数の和:6354

約数の個数: 48

約数和(自身を含む): 27379845120

約数和(自身を除く): 6503185043

約数列:

[1, 7, 13, 19, 91, 133, 151, 169, 247, 1057, 1183, 1729, 1963, 2869, 3211, 6151, 13741, 20083, 22477, 25519, 37297, 43057, 79963, 116869, 178633, 261079, 484861, 559741, 818083, 928801, 1039519, 1519297, 3394027, 6501607, 7276633, 10635079, 12074413, 17647219, 19750861, 84520891, 123530533, 138256027, 156967369, 229413847, 1098771583, 1605896929, 2982380011, 20876660077]

約数ペア:

[(1, 20876660077), (7, 2982380011), (13, 1605896929), (19, 1098771583), (91, 229413847), (133, 156967369), (151, 138256027), (169, 123530533), (247, 84520891), (1057, 19750861), (1183, 17647219), (1729, 12074413), (1963, 10635079), (2869, 7276633), (3211, 6501607), (6151, 3394027), (13741, 1519297), (20083, 1039519), (22477, 928801), (25519, 818083), (37297, 559741), (43057, 484861), (79963, 261079), (116869, 178633)]