20180899529

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{147853}}^1$

素因数の和:147945

約数の個数: 32

約数和(自身を含む): 25889826816

約数和(自身を除く): 5708927287

約数列:

[1, 7, 17, 31, 37, 119, 217, 259, 527, 629, 1147, 3689, 4403, 8029, 19499, 136493, 147853, 1034971, 2513501, 4583443, 5470561, 17594507, 32084101, 38293927, 77918531, 92999537, 169587391, 545429717, 650996759, 1187111737, 2882985647, 20180899529]

約数ペア:

[(1, 20180899529), (7, 2882985647), (17, 1187111737), (31, 650996759), (37, 545429717), (119, 169587391), (217, 92999537), (259, 77918531), (527, 38293927), (629, 32084101), (1147, 17594507), (3689, 5470561), (4403, 4583443), (8029, 2513501), (19499, 1034971), (136493, 147853)]