20947725596

素因数分解:

$2^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{559561}}^1$

素因数の和:559770

約数の個数: 36

約数和(自身を含む): 42866925696

約数和(自身を除く): 21919200100

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 191, 196, 382, 764, 1337, 2674, 5348, 9359, 18718, 37436, 559561, 1119122, 2238244, 3916927, 7833854, 15667708, 27418489, 54836978, 106876151, 109673956, 213752302, 427504604, 748133057, 1496266114, 2992532228, 5236931399, 10473862798, 20947725596]

約数ペア:

[(1, 20947725596), (2, 10473862798), (4, 5236931399), (7, 2992532228), (14, 1496266114), (28, 748133057), (49, 427504604), (98, 213752302), (191, 109673956), (196, 106876151), (382, 54836978), (764, 27418489), (1337, 15667708), (2674, 7833854), (5348, 3916927), (9359, 2238244), (18718, 1119122), (37436, 559561)]