20133980420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{381181}}^1$

素因数の和:381348

約数の個数: 48

約数和(自身を含む): 44827003200

約数和(自身を除く): 24693022780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 52820, 381181, 762362, 1524724, 1905905, 3811810, 7242439, 7623620, 14484878, 28969756, 36212195, 52984159, 72424390, 105968318, 144848780, 211936636, 264920795, 529841590, 1006699021, 1059683180, 2013398042, 4026796084, 5033495105, 10066990210, 20133980420]

約数ペア:

[(1, 20133980420), (2, 10066990210), (4, 5033495105), (5, 4026796084), (10, 2013398042), (19, 1059683180), (20, 1006699021), (38, 529841590), (76, 264920795), (95, 211936636), (139, 144848780), (190, 105968318), (278, 72424390), (380, 52984159), (556, 36212195), (695, 28969756), (1390, 14484878), (2641, 7623620), (2780, 7242439), (5282, 3811810), (10564, 1905905), (13205, 1524724), (26410, 762362), (52820, 381181)]