20729376912

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3106921}}^1$

素因数の和:3107071

約数の個数: 40

約数和(自身を含む): 53936165920

約数和(自身を除く): 33206789008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672, 3106921, 6213842, 9320763, 12427684, 18641526, 24855368, 37283052, 49710736, 74566104, 149132208, 431862019, 863724038, 1295586057, 1727448076, 2591172114, 3454896152, 5182344228, 6909792304, 10364688456, 20729376912]

約数ペア:

[(1, 20729376912), (2, 10364688456), (3, 6909792304), (4, 5182344228), (6, 3454896152), (8, 2591172114), (12, 1727448076), (16, 1295586057), (24, 863724038), (48, 431862019), (139, 149132208), (278, 74566104), (417, 49710736), (556, 37283052), (834, 24855368), (1112, 18641526), (1668, 12427684), (2224, 9320763), (3336, 6213842), (6672, 3106921)]