20091896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7873}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 42519600

約数和(自身を除く): 22427704

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7873, 15746, 31492, 62984, 86603, 173206, 228317, 346412, 456634, 692824, 913268, 1826536, 2511487, 5022974, 10045948, 20091896]

約数ペア:

[(1, 20091896), (2, 10045948), (4, 5022974), (8, 2511487), (11, 1826536), (22, 913268), (29, 692824), (44, 456634), (58, 346412), (88, 228317), (116, 173206), (232, 86603), (319, 62984), (638, 31492), (1276, 15746), (2552, 7873)]