20347746608

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9561911}}^1$

素因数の和:9561945

約数の個数: 40

約数和(自身を含む): 47427083520

約数和(自身を除く): 27079336912

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9561911, 19123822, 38247644, 66933377, 76495288, 133866754, 152990576, 181676309, 267733508, 363352618, 535467016, 726705236, 1070934032, 1271734163, 1453410472, 2543468326, 2906820944, 5086936652, 10173873304, 20347746608]

約数ペア:

[(1, 20347746608), (2, 10173873304), (4, 5086936652), (7, 2906820944), (8, 2543468326), (14, 1453410472), (16, 1271734163), (19, 1070934032), (28, 726705236), (38, 535467016), (56, 363352618), (76, 267733508), (112, 181676309), (133, 152990576), (152, 133866754), (266, 76495288), (304, 66933377), (532, 38247644), (1064, 19123822), (2128, 9561911)]