20149769948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{133241}}^1$

素因数の和:133754

約数の個数: 48

約数和(自身を含む): 44053003008

約数和(自身を除く): 23903233060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 491, 982, 1964, 3437, 5401, 6874, 10802, 13748, 21604, 37807, 75614, 133241, 151228, 266482, 532964, 932687, 1465651, 1865374, 2931302, 3730748, 5862604, 10259557, 20519114, 41038228, 65421331, 130842662, 261685324, 457949317, 719634641, 915898634, 1439269282, 1831797268, 2878538564, 5037442487, 10074884974, 20149769948]

約数ペア:

[(1, 20149769948), (2, 10074884974), (4, 5037442487), (7, 2878538564), (11, 1831797268), (14, 1439269282), (22, 915898634), (28, 719634641), (44, 457949317), (77, 261685324), (154, 130842662), (308, 65421331), (491, 41038228), (982, 20519114), (1964, 10259557), (3437, 5862604), (5401, 3730748), (6874, 2931302), (10802, 1865374), (13748, 1465651), (21604, 932687), (37807, 532964), (75614, 266482), (133241, 151228)]