20651024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67931}}^1$

素因数の和:67958

約数の個数: 20

約数和(自身を含む): 42117840

約数和(自身を除く): 21466816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67931, 135862, 271724, 543448, 1086896, 1290689, 2581378, 5162756, 10325512, 20651024]

約数ペア:

[(1, 20651024), (2, 10325512), (4, 5162756), (8, 2581378), (16, 1290689), (19, 1086896), (38, 543448), (76, 271724), (152, 135862), (304, 67931)]